./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:24:11,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:24:11,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:24:11,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:24:11,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:24:11,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:24:11,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:24:11,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:24:11,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:24:11,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:24:11,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:24:11,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:24:11,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:24:11,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:24:11,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:24:11,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:24:11,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:24:11,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:24:11,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:24:11,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:24:11,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:24:11,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:24:11,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:24:11,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:24:11,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:24:11,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:24:11,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:24:11,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:24:11,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:24:11,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:24:11,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:24:11,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:24:11,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:24:11,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:24:11,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:24:11,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:24:11,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:24:11,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:24:11,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:24:11,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:24:11,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:24:11,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:24:11,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:24:11,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:24:11,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:24:11,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:24:11,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:24:11,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:24:11,852 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:24:11,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:24:11,852 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:24:11,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:24:11,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:24:11,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:24:11,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:24:11,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:24:11,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:24:11,854 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:24:11,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:24:11,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:24:11,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:24:11,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:24:11,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:24:11,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:24:11,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:24:11,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:24:11,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:24:11,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:24:11,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:24:11,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:24:11,857 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:24:11,857 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:24:11,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:24:11,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:24:11,858 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_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce [2021-10-28 23:24:12,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:24:12,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:24:12,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:24:12,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:24:12,241 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:24:12,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2021-10-28 23:24:12,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/data/492b14cd1/660e07258be44db28eb24c627ac1fae6/FLAGc5ec6255a [2021-10-28 23:24:13,188 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:24:13,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2021-10-28 23:24:13,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/data/492b14cd1/660e07258be44db28eb24c627ac1fae6/FLAGc5ec6255a [2021-10-28 23:24:13,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/data/492b14cd1/660e07258be44db28eb24c627ac1fae6 [2021-10-28 23:24:13,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:24:13,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:24:13,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:24:13,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:24:13,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:24:13,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:24:13" (1/1) ... [2021-10-28 23:24:13,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9705e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:13, skipping insertion in model container [2021-10-28 23:24:13,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:24:13" (1/1) ... [2021-10-28 23:24:13,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:24:13,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:24:13,723 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_e1b60a94-eaa5-4863-819b-331511a5ac69/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281] [2021-10-28 23:24:14,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:24:14,125 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:24:14,161 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_e1b60a94-eaa5-4863-819b-331511a5ac69/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281] [2021-10-28 23:24:14,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:24:14,385 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:24:14,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14 WrapperNode [2021-10-28 23:24:14,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:24:14,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:24:14,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:24:14,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:24:14,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:24:14,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:24:14,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:24:14,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:24:14,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:24:14,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:24:14,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:24:14,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:24:14,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:24:14,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:14,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:14,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:24:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:24:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:24:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:24:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:24:17,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:24:17,084 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:24:17,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:17 BoogieIcfgContainer [2021-10-28 23:24:17,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:24:17,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:24:17,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:24:17,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:24:17,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:24:13" (1/3) ... [2021-10-28 23:24:17,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@438c2d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:24:17, skipping insertion in model container [2021-10-28 23:24:17,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14" (2/3) ... [2021-10-28 23:24:17,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@438c2d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:24:17, skipping insertion in model container [2021-10-28 23:24:17,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:17" (3/3) ... [2021-10-28 23:24:17,109 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label10.c [2021-10-28 23:24:17,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:24:17,115 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:24:17,175 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:24:17,183 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:24:17,183 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:24:17,210 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) [2021-10-28 23:24:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:24:17,217 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:17,218 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:17,218 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:17,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:17,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1644072970, now seen corresponding path program 1 times [2021-10-28 23:24:17,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:17,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882657128] [2021-10-28 23:24:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:17,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:17,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:17,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882657128] [2021-10-28 23:24:17,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882657128] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:17,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:17,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:24:17,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237247099] [2021-10-28 23:24:17,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:17,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:17,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:17,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:17,602 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 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:19,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:19,079 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-10-28 23:24:19,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:19,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-10-28 23:24:19,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:19,098 INFO L225 Difference]: With dead ends: 776 [2021-10-28 23:24:19,098 INFO L226 Difference]: Without dead ends: 413 [2021-10-28 23:24:19,103 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:19,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-10-28 23:24:19,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-10-28 23:24:19,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:19,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-10-28 23:24:19,171 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 22 [2021-10-28 23:24:19,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:19,171 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-10-28 23:24:19,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:19,172 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-10-28 23:24:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-10-28 23:24:19,176 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:19,177 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:24:19,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:24:19,178 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:19,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:19,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1871415266, now seen corresponding path program 1 times [2021-10-28 23:24:19,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:19,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538132079] [2021-10-28 23:24:19,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:19,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:19,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:19,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538132079] [2021-10-28 23:24:19,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538132079] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:19,379 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:19,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:24:19,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064407031] [2021-10-28 23:24:19,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:19,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:19,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:19,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:19,387 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:20,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:20,561 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-10-28 23:24:20,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:20,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-10-28 23:24:20,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:20,570 INFO L225 Difference]: With dead ends: 1209 [2021-10-28 23:24:20,571 INFO L226 Difference]: Without dead ends: 800 [2021-10-28 23:24:20,574 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:20,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-10-28 23:24:20,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-10-28 23:24:20,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:20,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-10-28 23:24:20,649 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 90 [2021-10-28 23:24:20,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:20,650 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-10-28 23:24:20,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:20,651 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-10-28 23:24:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-28 23:24:20,659 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:20,660 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:24:20,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:24:20,662 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:20,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:20,663 INFO L85 PathProgramCache]: Analyzing trace with hash 562007972, now seen corresponding path program 1 times [2021-10-28 23:24:20,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:20,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767448933] [2021-10-28 23:24:20,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:20,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:20,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:20,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767448933] [2021-10-28 23:24:20,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767448933] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:20,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:20,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:24:20,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291926488] [2021-10-28 23:24:20,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:20,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:20,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:20,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:20,889 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:21,903 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2021-10-28 23:24:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:21,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2021-10-28 23:24:21,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:21,911 INFO L225 Difference]: With dead ends: 1942 [2021-10-28 23:24:21,912 INFO L226 Difference]: Without dead ends: 1157 [2021-10-28 23:24:21,913 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:21,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-10-28 23:24:21,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-10-28 23:24:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:21,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2021-10-28 23:24:21,945 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 91 [2021-10-28 23:24:21,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:21,945 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2021-10-28 23:24:21,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:21,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2021-10-28 23:24:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-28 23:24:21,948 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:21,948 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:24:21,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:24:21,949 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:21,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:21,950 INFO L85 PathProgramCache]: Analyzing trace with hash -945177690, now seen corresponding path program 1 times [2021-10-28 23:24:21,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:21,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129387616] [2021-10-28 23:24:21,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:21,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-28 23:24:22,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:22,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129387616] [2021-10-28 23:24:22,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129387616] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:22,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:22,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:24:22,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082514849] [2021-10-28 23:24:22,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:22,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:22,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:22,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:22,112 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:23,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:23,089 INFO L93 Difference]: Finished difference Result 2502 states and 3339 transitions. [2021-10-28 23:24:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:23,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 134 [2021-10-28 23:24:23,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:23,103 INFO L225 Difference]: With dead ends: 2502 [2021-10-28 23:24:23,103 INFO L226 Difference]: Without dead ends: 1532 [2021-10-28 23:24:23,105 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:23,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2021-10-28 23:24:23,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2021-10-28 23:24:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2619203135205748) internal successors, (1932), 1531 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:23,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1932 transitions. [2021-10-28 23:24:23,147 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1932 transitions. Word has length 134 [2021-10-28 23:24:23,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:23,148 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1932 transitions. [2021-10-28 23:24:23,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:23,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1932 transitions. [2021-10-28 23:24:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-28 23:24:23,151 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:23,151 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:23,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:24:23,152 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:23,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:23,153 INFO L85 PathProgramCache]: Analyzing trace with hash 2122268031, now seen corresponding path program 1 times [2021-10-28 23:24:23,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:23,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810609586] [2021-10-28 23:24:23,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:23,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:23,323 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:23,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:23,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810609586] [2021-10-28 23:24:23,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810609586] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:23,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:23,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:23,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461443190] [2021-10-28 23:24:23,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:23,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:23,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:23,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:23,331 INFO L87 Difference]: Start difference. First operand 1532 states and 1932 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:24,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:24,421 INFO L93 Difference]: Finished difference Result 3644 states and 4738 transitions. [2021-10-28 23:24:24,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:24,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2021-10-28 23:24:24,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:24,436 INFO L225 Difference]: With dead ends: 3644 [2021-10-28 23:24:24,436 INFO L226 Difference]: Without dead ends: 2298 [2021-10-28 23:24:24,438 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:24,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-10-28 23:24:24,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2021-10-28 23:24:24,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2654751525719268) internal successors, (2903), 2294 states have internal predecessors, (2903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2903 transitions. [2021-10-28 23:24:24,494 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2903 transitions. Word has length 149 [2021-10-28 23:24:24,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:24,496 INFO L470 AbstractCegarLoop]: Abstraction has 2295 states and 2903 transitions. [2021-10-28 23:24:24,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2903 transitions. [2021-10-28 23:24:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-10-28 23:24:24,503 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:24,504 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:24,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:24:24,504 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:24,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:24,505 INFO L85 PathProgramCache]: Analyzing trace with hash -259742338, now seen corresponding path program 1 times [2021-10-28 23:24:24,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:24,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828060749] [2021-10-28 23:24:24,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:24,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:24,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:24,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828060749] [2021-10-28 23:24:24,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828060749] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:24,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:24,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:24,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548309558] [2021-10-28 23:24:24,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:24,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:24,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:24,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:24,733 INFO L87 Difference]: Start difference. First operand 2295 states and 2903 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:25,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:25,816 INFO L93 Difference]: Finished difference Result 5528 states and 7095 transitions. [2021-10-28 23:24:25,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:25,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 202 [2021-10-28 23:24:25,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:25,839 INFO L225 Difference]: With dead ends: 5528 [2021-10-28 23:24:25,839 INFO L226 Difference]: Without dead ends: 3419 [2021-10-28 23:24:25,843 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:25,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2021-10-28 23:24:25,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3218. [2021-10-28 23:24:25,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3217 states have (on average 1.2377991917935964) internal successors, (3982), 3217 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 3982 transitions. [2021-10-28 23:24:25,947 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 3982 transitions. Word has length 202 [2021-10-28 23:24:25,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:25,948 INFO L470 AbstractCegarLoop]: Abstraction has 3218 states and 3982 transitions. [2021-10-28 23:24:25,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:25,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3982 transitions. [2021-10-28 23:24:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-10-28 23:24:25,953 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:25,954 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:25,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:24:25,955 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:25,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:25,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1079368312, now seen corresponding path program 1 times [2021-10-28 23:24:25,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:25,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681098327] [2021-10-28 23:24:25,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:25,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-28 23:24:26,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:26,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681098327] [2021-10-28 23:24:26,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681098327] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:26,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:26,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:26,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605249284] [2021-10-28 23:24:26,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:26,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:26,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:26,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:26,115 INFO L87 Difference]: Start difference. First operand 3218 states and 3982 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:27,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:27,088 INFO L93 Difference]: Finished difference Result 7371 states and 9143 transitions. [2021-10-28 23:24:27,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:27,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 203 [2021-10-28 23:24:27,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:27,115 INFO L225 Difference]: With dead ends: 7371 [2021-10-28 23:24:27,115 INFO L226 Difference]: Without dead ends: 4155 [2021-10-28 23:24:27,120 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:27,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2021-10-28 23:24:27,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 4138. [2021-10-28 23:24:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 4137 states have (on average 1.2211747643219724) internal successors, (5052), 4137 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5052 transitions. [2021-10-28 23:24:27,280 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5052 transitions. Word has length 203 [2021-10-28 23:24:27,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:27,280 INFO L470 AbstractCegarLoop]: Abstraction has 4138 states and 5052 transitions. [2021-10-28 23:24:27,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:27,281 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5052 transitions. [2021-10-28 23:24:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-10-28 23:24:27,284 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:27,285 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:27,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:24:27,285 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:27,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:27,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1976650713, now seen corresponding path program 1 times [2021-10-28 23:24:27,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:27,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756285881] [2021-10-28 23:24:27,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:27,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:27,403 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-28 23:24:27,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:27,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756285881] [2021-10-28 23:24:27,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756285881] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:27,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:27,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:27,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875544037] [2021-10-28 23:24:27,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:27,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:27,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:27,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:27,406 INFO L87 Difference]: Start difference. First operand 4138 states and 5052 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:28,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:28,393 INFO L93 Difference]: Finished difference Result 9207 states and 11353 transitions. [2021-10-28 23:24:28,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:28,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 204 [2021-10-28 23:24:28,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:28,420 INFO L225 Difference]: With dead ends: 9207 [2021-10-28 23:24:28,421 INFO L226 Difference]: Without dead ends: 5071 [2021-10-28 23:24:28,426 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2021-10-28 23:24:28,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 4874. [2021-10-28 23:24:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4874 states, 4873 states have (on average 1.2087010055407346) internal successors, (5890), 4873 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 5890 transitions. [2021-10-28 23:24:28,555 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 5890 transitions. Word has length 204 [2021-10-28 23:24:28,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:28,556 INFO L470 AbstractCegarLoop]: Abstraction has 4874 states and 5890 transitions. [2021-10-28 23:24:28,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:28,557 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5890 transitions. [2021-10-28 23:24:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-10-28 23:24:28,561 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:28,561 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:28,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:24:28,562 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:28,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1214132377, now seen corresponding path program 1 times [2021-10-28 23:24:28,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:28,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712686101] [2021-10-28 23:24:28,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:28,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:28,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:28,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712686101] [2021-10-28 23:24:28,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712686101] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:28,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:28,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:24:28,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630738451] [2021-10-28 23:24:28,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:24:28,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:28,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:24:28,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:24:28,838 INFO L87 Difference]: Start difference. First operand 4874 states and 5890 transitions. Second operand has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:30,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:30,571 INFO L93 Difference]: Finished difference Result 15870 states and 19335 transitions. [2021-10-28 23:24:30,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:24:30,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 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 224 [2021-10-28 23:24:30,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:30,639 INFO L225 Difference]: With dead ends: 15870 [2021-10-28 23:24:30,640 INFO L226 Difference]: Without dead ends: 10998 [2021-10-28 23:24:30,650 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:24:30,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2021-10-28 23:24:30,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 8953. [2021-10-28 23:24:30,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8953 states, 8952 states have (on average 1.1907953529937445) internal successors, (10660), 8952 states have internal predecessors, (10660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:30,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8953 states to 8953 states and 10660 transitions. [2021-10-28 23:24:30,937 INFO L78 Accepts]: Start accepts. Automaton has 8953 states and 10660 transitions. Word has length 224 [2021-10-28 23:24:30,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:30,938 INFO L470 AbstractCegarLoop]: Abstraction has 8953 states and 10660 transitions. [2021-10-28 23:24:30,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 8953 states and 10660 transitions. [2021-10-28 23:24:30,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-10-28 23:24:30,945 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:30,946 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:30,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:24:30,946 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:30,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:30,947 INFO L85 PathProgramCache]: Analyzing trace with hash -205904018, now seen corresponding path program 1 times [2021-10-28 23:24:30,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:30,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573296277] [2021-10-28 23:24:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:30,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:31,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:31,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573296277] [2021-10-28 23:24:31,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573296277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:31,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:31,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:24:31,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407473443] [2021-10-28 23:24:31,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:24:31,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:31,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:24:31,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:24:31,126 INFO L87 Difference]: Start difference. First operand 8953 states and 10660 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:33,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:33,008 INFO L93 Difference]: Finished difference Result 22715 states and 27384 transitions. [2021-10-28 23:24:33,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:24:33,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 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 [2021-10-28 23:24:33,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:33,056 INFO L225 Difference]: With dead ends: 22715 [2021-10-28 23:24:33,056 INFO L226 Difference]: Without dead ends: 13764 [2021-10-28 23:24:33,068 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:24:33,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13764 states. [2021-10-28 23:24:33,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13764 to 13378. [2021-10-28 23:24:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13378 states, 13377 states have (on average 1.1921955595424982) internal successors, (15948), 13377 states have internal predecessors, (15948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13378 states to 13378 states and 15948 transitions. [2021-10-28 23:24:33,345 INFO L78 Accepts]: Start accepts. Automaton has 13378 states and 15948 transitions. Word has length 234 [2021-10-28 23:24:33,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:33,346 INFO L470 AbstractCegarLoop]: Abstraction has 13378 states and 15948 transitions. [2021-10-28 23:24:33,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 13378 states and 15948 transitions. [2021-10-28 23:24:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-10-28 23:24:33,353 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:33,354 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:33,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:24:33,354 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:33,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:33,355 INFO L85 PathProgramCache]: Analyzing trace with hash 947970210, now seen corresponding path program 1 times [2021-10-28 23:24:33,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:33,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996765766] [2021-10-28 23:24:33,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:33,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 113 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:33,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:33,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996765766] [2021-10-28 23:24:33,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996765766] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:24:33,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072235669] [2021-10-28 23:24:33,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:33,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:24:33,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:33,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:24:33,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:24:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:33,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 23:24:33,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:24:36,183 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:36,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072235669] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:24:36,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:24:36,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-28 23:24:36,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135490324] [2021-10-28 23:24:36,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:24:36,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:36,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:24:36,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:24:36,187 INFO L87 Difference]: Start difference. First operand 13378 states and 15948 transitions. Second operand has 8 states, 8 states have (on average 33.625) internal successors, (269), 7 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:38,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:38,683 INFO L93 Difference]: Finished difference Result 27113 states and 32415 transitions. [2021-10-28 23:24:38,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:24:38,684 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 33.625) internal successors, (269), 7 states have internal predecessors, (269), 0 states have call successors, (0), 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 236 [2021-10-28 23:24:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:38,716 INFO L225 Difference]: With dead ends: 27113 [2021-10-28 23:24:38,717 INFO L226 Difference]: Without dead ends: 13725 [2021-10-28 23:24:38,731 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:24:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13725 states. [2021-10-28 23:24:38,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13725 to 13165. [2021-10-28 23:24:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13165 states, 13164 states have (on average 1.1869492555454269) internal successors, (15625), 13164 states have internal predecessors, (15625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13165 states to 13165 states and 15625 transitions. [2021-10-28 23:24:39,000 INFO L78 Accepts]: Start accepts. Automaton has 13165 states and 15625 transitions. Word has length 236 [2021-10-28 23:24:39,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:39,001 INFO L470 AbstractCegarLoop]: Abstraction has 13165 states and 15625 transitions. [2021-10-28 23:24:39,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 33.625) internal successors, (269), 7 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:39,002 INFO L276 IsEmpty]: Start isEmpty. Operand 13165 states and 15625 transitions. [2021-10-28 23:24:39,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-28 23:24:39,008 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:39,009 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:39,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:39,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:24:39,224 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:39,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:39,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2112091131, now seen corresponding path program 1 times [2021-10-28 23:24:39,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:39,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247895546] [2021-10-28 23:24:39,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:39,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-28 23:24:39,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:39,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247895546] [2021-10-28 23:24:39,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247895546] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:39,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:39,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:39,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341890317] [2021-10-28 23:24:39,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:39,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:39,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:39,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:39,436 INFO L87 Difference]: Start difference. First operand 13165 states and 15625 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:40,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:40,595 INFO L93 Difference]: Finished difference Result 26335 states and 31256 transitions. [2021-10-28 23:24:40,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:40,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 241 [2021-10-28 23:24:40,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:40,629 INFO L225 Difference]: With dead ends: 26335 [2021-10-28 23:24:40,629 INFO L226 Difference]: Without dead ends: 13172 [2021-10-28 23:24:40,644 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:40,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13172 states. [2021-10-28 23:24:40,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13172 to 13164. [2021-10-28 23:24:40,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.1561953961862796) internal successors, (15219), 13163 states have internal predecessors, (15219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:40,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 15219 transitions. [2021-10-28 23:24:40,894 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 15219 transitions. Word has length 241 [2021-10-28 23:24:40,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:40,895 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 15219 transitions. [2021-10-28 23:24:40,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 15219 transitions. [2021-10-28 23:24:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-28 23:24:40,904 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:40,905 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:40,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:24:40,905 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:40,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:40,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1148903582, now seen corresponding path program 1 times [2021-10-28 23:24:40,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:40,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265265445] [2021-10-28 23:24:40,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:40,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 95 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:41,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:41,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265265445] [2021-10-28 23:24:41,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265265445] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:24:41,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205344960] [2021-10-28 23:24:41,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:41,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:24:41,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:41,172 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:24:41,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:24:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:41,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:24:41,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:24:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:42,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205344960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:42,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:24:42,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:24:42,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025820261] [2021-10-28 23:24:42,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:24:42,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:42,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:24:42,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:24:42,647 INFO L87 Difference]: Start difference. First operand 13164 states and 15219 transitions. Second operand has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:43,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:43,849 INFO L93 Difference]: Finished difference Result 26514 states and 30636 transitions. [2021-10-28 23:24:43,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:24:43,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 255 [2021-10-28 23:24:43,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:43,874 INFO L225 Difference]: With dead ends: 26514 [2021-10-28 23:24:43,874 INFO L226 Difference]: Without dead ends: 13352 [2021-10-28 23:24:43,887 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:24:43,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13352 states. [2021-10-28 23:24:44,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13352 to 13164. [2021-10-28 23:24:44,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.1548279267644155) internal successors, (15201), 13163 states have internal predecessors, (15201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 15201 transitions. [2021-10-28 23:24:44,106 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 15201 transitions. Word has length 255 [2021-10-28 23:24:44,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:44,107 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 15201 transitions. [2021-10-28 23:24:44,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 15201 transitions. [2021-10-28 23:24:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-10-28 23:24:44,118 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:44,118 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:44,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:44,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:24:44,344 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:44,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash -632041158, now seen corresponding path program 1 times [2021-10-28 23:24:44,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:44,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905988430] [2021-10-28 23:24:44,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:44,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-28 23:24:44,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:44,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905988430] [2021-10-28 23:24:44,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905988430] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:44,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:44,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:44,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124171939] [2021-10-28 23:24:44,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:44,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:44,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:44,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:44,521 INFO L87 Difference]: Start difference. First operand 13164 states and 15201 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:45,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:45,376 INFO L93 Difference]: Finished difference Result 24999 states and 28918 transitions. [2021-10-28 23:24:45,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:45,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2021-10-28 23:24:45,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:45,400 INFO L225 Difference]: With dead ends: 24999 [2021-10-28 23:24:45,400 INFO L226 Difference]: Without dead ends: 11837 [2021-10-28 23:24:45,411 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:45,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11837 states. [2021-10-28 23:24:45,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11837 to 10546. [2021-10-28 23:24:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10546 states, 10545 states have (on average 1.1144618302513039) internal successors, (11752), 10545 states have internal predecessors, (11752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10546 states to 10546 states and 11752 transitions. [2021-10-28 23:24:45,586 INFO L78 Accepts]: Start accepts. Automaton has 10546 states and 11752 transitions. Word has length 271 [2021-10-28 23:24:45,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:45,587 INFO L470 AbstractCegarLoop]: Abstraction has 10546 states and 11752 transitions. [2021-10-28 23:24:45,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 10546 states and 11752 transitions. [2021-10-28 23:24:45,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-10-28 23:24:45,596 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:45,597 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 23:24:45,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:24:45,597 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:45,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:45,598 INFO L85 PathProgramCache]: Analyzing trace with hash 323334857, now seen corresponding path program 1 times [2021-10-28 23:24:45,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:45,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106052982] [2021-10-28 23:24:45,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:45,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 216 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:45,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:45,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106052982] [2021-10-28 23:24:45,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106052982] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:24:45,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433495989] [2021-10-28 23:24:45,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:45,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:24:45,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:45,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:24:45,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:24:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:46,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:24:46,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:24:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-28 23:24:47,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433495989] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:47,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:24:47,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-28 23:24:47,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950339526] [2021-10-28 23:24:47,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:47,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:47,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:47,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:24:47,457 INFO L87 Difference]: Start difference. First operand 10546 states and 11752 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:48,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:48,232 INFO L93 Difference]: Finished difference Result 21462 states and 23894 transitions. [2021-10-28 23:24:48,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:48,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 293 [2021-10-28 23:24:48,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:48,247 INFO L225 Difference]: With dead ends: 21462 [2021-10-28 23:24:48,247 INFO L226 Difference]: Without dead ends: 10734 [2021-10-28 23:24:48,254 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:24:48,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10734 states. [2021-10-28 23:24:48,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10734 to 10362. [2021-10-28 23:24:48,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10362 states, 10361 states have (on average 1.1133095261075185) internal successors, (11535), 10361 states have internal predecessors, (11535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10362 states to 10362 states and 11535 transitions. [2021-10-28 23:24:48,468 INFO L78 Accepts]: Start accepts. Automaton has 10362 states and 11535 transitions. Word has length 293 [2021-10-28 23:24:48,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:48,469 INFO L470 AbstractCegarLoop]: Abstraction has 10362 states and 11535 transitions. [2021-10-28 23:24:48,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 10362 states and 11535 transitions. [2021-10-28 23:24:48,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-10-28 23:24:48,480 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:48,480 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 23:24:48,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:48,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-28 23:24:48,702 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:48,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:48,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1215708833, now seen corresponding path program 1 times [2021-10-28 23:24:48,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:48,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896835059] [2021-10-28 23:24:48,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:48,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-28 23:24:48,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:48,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896835059] [2021-10-28 23:24:48,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896835059] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:48,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:48,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:24:48,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524034119] [2021-10-28 23:24:48,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:24:48,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:48,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:24:48,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:24:48,903 INFO L87 Difference]: Start difference. First operand 10362 states and 11535 transitions. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:50,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:50,469 INFO L93 Difference]: Finished difference Result 25888 states and 28802 transitions. [2021-10-28 23:24:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:24:50,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 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 309 [2021-10-28 23:24:50,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:50,493 INFO L225 Difference]: With dead ends: 25888 [2021-10-28 23:24:50,494 INFO L226 Difference]: Without dead ends: 15344 [2021-10-28 23:24:50,591 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:24:50,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15344 states. [2021-10-28 23:24:50,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15344 to 14232. [2021-10-28 23:24:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14232 states, 14231 states have (on average 1.1095495748717588) internal successors, (15790), 14231 states have internal predecessors, (15790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:50,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14232 states to 14232 states and 15790 transitions. [2021-10-28 23:24:50,813 INFO L78 Accepts]: Start accepts. Automaton has 14232 states and 15790 transitions. Word has length 309 [2021-10-28 23:24:50,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:50,814 INFO L470 AbstractCegarLoop]: Abstraction has 14232 states and 15790 transitions. [2021-10-28 23:24:50,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 14232 states and 15790 transitions. [2021-10-28 23:24:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-10-28 23:24:50,826 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:50,827 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:50,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 23:24:50,827 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:50,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:50,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1283500372, now seen corresponding path program 1 times [2021-10-28 23:24:50,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:50,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465616903] [2021-10-28 23:24:50,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:50,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:50,978 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-10-28 23:24:50,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:50,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465616903] [2021-10-28 23:24:50,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465616903] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:50,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:50,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:50,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273690132] [2021-10-28 23:24:50,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:50,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:50,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:50,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:50,981 INFO L87 Difference]: Start difference. First operand 14232 states and 15790 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:52,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:52,039 INFO L93 Difference]: Finished difference Result 30118 states and 33398 transitions. [2021-10-28 23:24:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:52,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 316 [2021-10-28 23:24:52,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:52,061 INFO L225 Difference]: With dead ends: 30118 [2021-10-28 23:24:52,061 INFO L226 Difference]: Without dead ends: 15888 [2021-10-28 23:24:52,070 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:52,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15888 states. [2021-10-28 23:24:52,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15888 to 13118. [2021-10-28 23:24:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13118 states, 13117 states have (on average 1.1095524891362354) internal successors, (14554), 13117 states have internal predecessors, (14554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13118 states to 13118 states and 14554 transitions. [2021-10-28 23:24:52,291 INFO L78 Accepts]: Start accepts. Automaton has 13118 states and 14554 transitions. Word has length 316 [2021-10-28 23:24:52,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:52,292 INFO L470 AbstractCegarLoop]: Abstraction has 13118 states and 14554 transitions. [2021-10-28 23:24:52,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand 13118 states and 14554 transitions. [2021-10-28 23:24:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-10-28 23:24:52,304 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:52,304 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:24:52,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 23:24:52,305 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:52,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:52,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1914030864, now seen corresponding path program 1 times [2021-10-28 23:24:52,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:52,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359446700] [2021-10-28 23:24:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:52,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:52,512 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-10-28 23:24:52,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:52,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359446700] [2021-10-28 23:24:52,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359446700] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:52,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:52,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:52,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398795822] [2021-10-28 23:24:52,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:52,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:52,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:52,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:52,516 INFO L87 Difference]: Start difference. First operand 13118 states and 14554 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:53,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:53,292 INFO L93 Difference]: Finished difference Result 28993 states and 32131 transitions. [2021-10-28 23:24:53,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:53,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 318 [2021-10-28 23:24:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:53,314 INFO L225 Difference]: With dead ends: 28993 [2021-10-28 23:24:53,314 INFO L226 Difference]: Without dead ends: 15877 [2021-10-28 23:24:53,325 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:53,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15877 states. [2021-10-28 23:24:53,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15877 to 9803. [2021-10-28 23:24:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9803 states, 9802 states have (on average 1.1138543154458274) internal successors, (10918), 9802 states have internal predecessors, (10918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9803 states to 9803 states and 10918 transitions. [2021-10-28 23:24:53,549 INFO L78 Accepts]: Start accepts. Automaton has 9803 states and 10918 transitions. Word has length 318 [2021-10-28 23:24:53,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:53,550 INFO L470 AbstractCegarLoop]: Abstraction has 9803 states and 10918 transitions. [2021-10-28 23:24:53,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 9803 states and 10918 transitions. [2021-10-28 23:24:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-10-28 23:24:53,571 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:53,572 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:24:53,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 23:24:53,572 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:53,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:53,573 INFO L85 PathProgramCache]: Analyzing trace with hash -404909594, now seen corresponding path program 1 times [2021-10-28 23:24:53,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:53,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874126369] [2021-10-28 23:24:53,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:53,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:53,810 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-10-28 23:24:53,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:53,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874126369] [2021-10-28 23:24:53,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874126369] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:53,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:53,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:53,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377593646] [2021-10-28 23:24:53,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:24:53,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:53,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:53,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:53,816 INFO L87 Difference]: Start difference. First operand 9803 states and 10918 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:54,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:54,630 INFO L93 Difference]: Finished difference Result 19801 states and 22042 transitions. [2021-10-28 23:24:54,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:54,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 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 438 [2021-10-28 23:24:54,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:54,639 INFO L225 Difference]: With dead ends: 19801 [2021-10-28 23:24:54,639 INFO L226 Difference]: Without dead ends: 10000 [2021-10-28 23:24:54,644 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:54,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10000 states. [2021-10-28 23:24:54,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10000 to 9435. [2021-10-28 23:24:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9435 states, 9434 states have (on average 1.105681577273691) internal successors, (10431), 9434 states have internal predecessors, (10431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9435 states to 9435 states and 10431 transitions. [2021-10-28 23:24:54,777 INFO L78 Accepts]: Start accepts. Automaton has 9435 states and 10431 transitions. Word has length 438 [2021-10-28 23:24:54,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:54,778 INFO L470 AbstractCegarLoop]: Abstraction has 9435 states and 10431 transitions. [2021-10-28 23:24:54,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 9435 states and 10431 transitions. [2021-10-28 23:24:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-10-28 23:24:54,794 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:54,795 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:24:54,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 23:24:54,796 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:54,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:54,796 INFO L85 PathProgramCache]: Analyzing trace with hash 77941500, now seen corresponding path program 1 times [2021-10-28 23:24:54,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:54,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852179335] [2021-10-28 23:24:54,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:54,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 23:24:55,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:55,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852179335] [2021-10-28 23:24:55,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852179335] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:55,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:55,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:24:55,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497219518] [2021-10-28 23:24:55,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:24:55,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:55,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:24:55,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:24:55,068 INFO L87 Difference]: Start difference. First operand 9435 states and 10431 transitions. Second operand has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:57,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:57,028 INFO L93 Difference]: Finished difference Result 24777 states and 27331 transitions. [2021-10-28 23:24:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:24:57,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 487 [2021-10-28 23:24:57,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:57,040 INFO L225 Difference]: With dead ends: 24777 [2021-10-28 23:24:57,040 INFO L226 Difference]: Without dead ends: 15160 [2021-10-28 23:24:57,045 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:24:57,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15160 states. [2021-10-28 23:24:57,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15160 to 11274. [2021-10-28 23:24:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11274 states, 11273 states have (on average 1.0994411425530028) internal successors, (12394), 11273 states have internal predecessors, (12394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11274 states to 11274 states and 12394 transitions. [2021-10-28 23:24:57,185 INFO L78 Accepts]: Start accepts. Automaton has 11274 states and 12394 transitions. Word has length 487 [2021-10-28 23:24:57,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:57,185 INFO L470 AbstractCegarLoop]: Abstraction has 11274 states and 12394 transitions. [2021-10-28 23:24:57,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 11274 states and 12394 transitions. [2021-10-28 23:24:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2021-10-28 23:24:57,202 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:57,203 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:57,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 23:24:57,203 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:57,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:57,204 INFO L85 PathProgramCache]: Analyzing trace with hash 380464736, now seen corresponding path program 1 times [2021-10-28 23:24:57,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:57,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083894467] [2021-10-28 23:24:57,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:57,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-28 23:24:57,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:57,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083894467] [2021-10-28 23:24:57,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083894467] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:57,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:57,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:24:57,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235305976] [2021-10-28 23:24:57,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:24:57,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:57,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:24:57,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:24:57,493 INFO L87 Difference]: Start difference. First operand 11274 states and 12394 transitions. Second operand has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:59,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:59,384 INFO L93 Difference]: Finished difference Result 24578 states and 27021 transitions. [2021-10-28 23:24:59,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:24:59,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 491 [2021-10-28 23:24:59,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:24:59,400 INFO L225 Difference]: With dead ends: 24578 [2021-10-28 23:24:59,400 INFO L226 Difference]: Without dead ends: 13490 [2021-10-28 23:24:59,406 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:24:59,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13490 states. [2021-10-28 23:24:59,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13490 to 7033. [2021-10-28 23:24:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7033 states, 7032 states have (on average 1.1042377701934016) internal successors, (7765), 7032 states have internal predecessors, (7765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:59,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 7765 transitions. [2021-10-28 23:24:59,511 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 7765 transitions. Word has length 491 [2021-10-28 23:24:59,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:24:59,512 INFO L470 AbstractCegarLoop]: Abstraction has 7033 states and 7765 transitions. [2021-10-28 23:24:59,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 7765 transitions. [2021-10-28 23:24:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2021-10-28 23:24:59,523 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:24:59,524 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:59,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 23:24:59,524 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:24:59,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:59,525 INFO L85 PathProgramCache]: Analyzing trace with hash -554303261, now seen corresponding path program 1 times [2021-10-28 23:24:59,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:59,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290319634] [2021-10-28 23:24:59,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:59,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 598 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-10-28 23:24:59,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:59,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290319634] [2021-10-28 23:24:59,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290319634] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:59,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:59,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:59,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319630620] [2021-10-28 23:24:59,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:24:59,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:59,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:24:59,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:24:59,754 INFO L87 Difference]: Start difference. First operand 7033 states and 7765 transitions. Second operand has 4 states, 4 states have (on average 100.75) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:00,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:00,962 INFO L93 Difference]: Finished difference Result 20332 states and 22420 transitions. [2021-10-28 23:25:00,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:25:00,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.75) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 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 511 [2021-10-28 23:25:00,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:00,972 INFO L225 Difference]: With dead ends: 20332 [2021-10-28 23:25:00,972 INFO L226 Difference]: Without dead ends: 12749 [2021-10-28 23:25:00,975 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:25:00,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12749 states. [2021-10-28 23:25:01,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12749 to 12193. [2021-10-28 23:25:01,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12193 states, 12192 states have (on average 1.0994094488188977) internal successors, (13404), 12192 states have internal predecessors, (13404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:01,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12193 states to 12193 states and 13404 transitions. [2021-10-28 23:25:01,156 INFO L78 Accepts]: Start accepts. Automaton has 12193 states and 13404 transitions. Word has length 511 [2021-10-28 23:25:01,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:01,157 INFO L470 AbstractCegarLoop]: Abstraction has 12193 states and 13404 transitions. [2021-10-28 23:25:01,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.75) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:01,157 INFO L276 IsEmpty]: Start isEmpty. Operand 12193 states and 13404 transitions. [2021-10-28 23:25:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2021-10-28 23:25:01,185 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:01,186 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 23:25:01,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 23:25:01,187 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:01,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:01,187 INFO L85 PathProgramCache]: Analyzing trace with hash 930769197, now seen corresponding path program 1 times [2021-10-28 23:25:01,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:01,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624548373] [2021-10-28 23:25:01,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:01,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:01,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2021-10-28 23:25:01,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:01,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624548373] [2021-10-28 23:25:01,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624548373] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:01,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:01,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:25:01,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065175571] [2021-10-28 23:25:01,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:25:01,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:01,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:25:01,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:01,420 INFO L87 Difference]: Start difference. First operand 12193 states and 13404 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:02,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:02,159 INFO L93 Difference]: Finished difference Result 25855 states and 28414 transitions. [2021-10-28 23:25:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:25:02,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 589 [2021-10-28 23:25:02,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:02,174 INFO L225 Difference]: With dead ends: 25855 [2021-10-28 23:25:02,174 INFO L226 Difference]: Without dead ends: 12559 [2021-10-28 23:25:02,181 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:02,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12559 states. [2021-10-28 23:25:02,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12559 to 12559. [2021-10-28 23:25:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12559 states, 12558 states have (on average 1.08464723682115) internal successors, (13621), 12558 states have internal predecessors, (13621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:02,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12559 states to 12559 states and 13621 transitions. [2021-10-28 23:25:02,346 INFO L78 Accepts]: Start accepts. Automaton has 12559 states and 13621 transitions. Word has length 589 [2021-10-28 23:25:02,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:02,347 INFO L470 AbstractCegarLoop]: Abstraction has 12559 states and 13621 transitions. [2021-10-28 23:25:02,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:02,347 INFO L276 IsEmpty]: Start isEmpty. Operand 12559 states and 13621 transitions. [2021-10-28 23:25:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2021-10-28 23:25:02,357 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:02,358 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:02,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-28 23:25:02,359 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:02,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:02,359 INFO L85 PathProgramCache]: Analyzing trace with hash 691777402, now seen corresponding path program 1 times [2021-10-28 23:25:02,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:02,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479796468] [2021-10-28 23:25:02,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:02,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 838 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2021-10-28 23:25:02,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:02,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479796468] [2021-10-28 23:25:02,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479796468] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:02,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:02,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:25:02,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026044626] [2021-10-28 23:25:02,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:25:02,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:02,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:25:02,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:02,677 INFO L87 Difference]: Start difference. First operand 12559 states and 13621 transitions. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:03,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:03,457 INFO L93 Difference]: Finished difference Result 24745 states and 26786 transitions. [2021-10-28 23:25:03,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:25:03,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 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 658 [2021-10-28 23:25:03,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:03,458 INFO L225 Difference]: With dead ends: 24745 [2021-10-28 23:25:03,458 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:25:03,465 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:03,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:25:03,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:25:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:25:03,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 658 [2021-10-28 23:25:03,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:03,466 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:25:03,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:03,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:25:03,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:25:03,468 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:25:03,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-28 23:25:03,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:25:03,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:25:04,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:25:05,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:25:10,327 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-28 23:25:10,328 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,328 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-28 23:25:10,328 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,328 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,328 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,328 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,329 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,329 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,329 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-28 23:25:10,329 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-28 23:25:10,329 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-28 23:25:10,329 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,331 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,331 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,331 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,331 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,331 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,331 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,332 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,333 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,333 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-28 23:25:10,333 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-28 23:25:10,333 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-28 23:25:10,333 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,333 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,333 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,333 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse19 (+ ~a23~0 43))) (let ((.cse6 (= ~a25~0 11)) (.cse9 (<= .cse19 0)) (.cse12 (= ~a25~0 12)) (.cse15 (<= (+ ~a29~0 21) 0)) (.cse7 (< 0 .cse19)) (.cse11 (= ~a4~0 0)) (.cse1 (= ~a25~0 9)) (.cse8 (<= ~a23~0 138)) (.cse17 (<= ~a29~0 220)) (.cse16 (<= 10 ~a25~0)) (.cse14 (<= 307 ~a23~0)) (.cse18 (= ~a25~0 13)) (.cse13 (<= ~a29~0 384312)) (.cse5 (<= ~a25~0 10)) (.cse0 (<= ~a29~0 599999)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse10 (<= 214883 ~a29~0)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 (<= 312 ~a23~0) .cse4 (<= ~a29~0 130)) (and .cse1 .cse2 (<= (+ ~a23~0 599772) 0) .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse1 .cse2 .cse8 .cse3 .cse4) (and .cse9 .cse2 .cse3 .cse10 .cse4 (= ~a25~0 10)) (and .cse11 .cse6 .cse0 .cse2 (<= ~a23~0 312) .cse4) (and .cse12 .cse13 .cse14 .cse2 .cse3 .cse4) (and .cse15 .cse12 .cse2 .cse3 .cse4) (and .cse16 .cse11 .cse7 .cse5 .cse2 .cse8 .cse17 .cse4) (and .cse15 .cse16 .cse11 .cse5 .cse2 .cse4) (and .cse9 .cse13 .cse11 .cse1 .cse2 .cse4) (and .cse16 .cse5 (<= ~a29~0 245) .cse2 .cse3 .cse4) (and (<= ~a29~0 275) .cse12 .cse11 .cse2 .cse4 (or .cse7 (<= 141 ~a29~0) (not (= ULTIMATE.start_calculate_output_~input 1)))) (and .cse18 .cse15 .cse11 .cse7 .cse2 .cse8 .cse4) (and .cse11 .cse1 .cse2 .cse8 .cse17 .cse4) (and .cse16 .cse14 (<= ~a29~0 571720) .cse5 .cse2 .cse3 .cse4) (and .cse18 .cse13 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse10 .cse4)))) [2021-10-28 23:25:10,333 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,333 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-28 23:25:10,333 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-28 23:25:10,334 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,336 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,336 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,336 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,336 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,336 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,336 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-28 23:25:10,336 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-28 23:25:10,336 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-28 23:25:10,336 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-28 23:25:10,336 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,336 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,337 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,337 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,337 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,337 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,337 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,337 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-28 23:25:10,337 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-28 23:25:10,338 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-28 23:25:10,339 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-28 23:25:10,339 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,339 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse19 (+ ~a23~0 43))) (let ((.cse6 (= ~a25~0 11)) (.cse9 (<= .cse19 0)) (.cse12 (= ~a25~0 12)) (.cse15 (<= (+ ~a29~0 21) 0)) (.cse7 (< 0 .cse19)) (.cse11 (= ~a4~0 0)) (.cse1 (= ~a25~0 9)) (.cse8 (<= ~a23~0 138)) (.cse17 (<= ~a29~0 220)) (.cse16 (<= 10 ~a25~0)) (.cse14 (<= 307 ~a23~0)) (.cse18 (= ~a25~0 13)) (.cse13 (<= ~a29~0 384312)) (.cse5 (<= ~a25~0 10)) (.cse0 (<= ~a29~0 599999)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse10 (<= 214883 ~a29~0)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 (<= 312 ~a23~0) .cse4 (<= ~a29~0 130)) (and .cse1 .cse2 (<= (+ ~a23~0 599772) 0) .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse1 .cse2 .cse8 .cse3 .cse4) (and .cse9 .cse2 .cse3 .cse10 .cse4 (= ~a25~0 10)) (and .cse11 .cse6 .cse0 .cse2 (<= ~a23~0 312) .cse4) (and .cse12 .cse13 .cse14 .cse2 .cse3 .cse4) (and .cse15 .cse12 .cse2 .cse3 .cse4) (and .cse16 .cse11 .cse7 .cse5 .cse2 .cse8 .cse17 .cse4) (and .cse15 .cse16 .cse11 .cse5 .cse2 .cse4) (and .cse9 .cse13 .cse11 .cse1 .cse2 .cse4) (and .cse16 .cse5 (<= ~a29~0 245) .cse2 .cse3 .cse4) (and (<= ~a29~0 275) .cse12 .cse11 .cse2 .cse4 (or .cse7 (<= 141 ~a29~0) (not (= ULTIMATE.start_calculate_output_~input 1)))) (and .cse18 .cse15 .cse11 .cse7 .cse2 .cse8 .cse4) (and .cse11 .cse1 .cse2 .cse8 .cse17 .cse4) (and .cse16 .cse14 (<= ~a29~0 571720) .cse5 .cse2 .cse3 .cse4) (and .cse18 .cse13 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse10 .cse4)))) [2021-10-28 23:25:10,339 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,339 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,340 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,340 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,340 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,340 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,340 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,340 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,340 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-28 23:25:10,341 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-28 23:25:10,341 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-28 23:25:10,341 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-28 23:25:10,341 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-28 23:25:10,341 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-28 23:25:10,341 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-28 23:25:10,341 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,342 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,342 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,342 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,342 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,342 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,342 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,342 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,343 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,343 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,343 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:25:10,343 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-28 23:25:10,343 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-28 23:25:10,343 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-28 23:25:10,344 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-28 23:25:10,345 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,345 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,345 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,345 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,345 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,345 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-28 23:25:10,346 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-28 23:25:10,346 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-28 23:25:10,346 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,346 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,346 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,346 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,346 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-28 23:25:10,347 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-28 23:25:10,347 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,347 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,347 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,347 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,347 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,347 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,348 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-28 23:25:10,348 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-28 23:25:10,348 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,348 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,348 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-28 23:25:10,348 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-28 23:25:10,349 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-28 23:25:10,349 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:25:10,349 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2021-10-28 23:25:10,349 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,349 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,349 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,349 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,350 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,350 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,350 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,350 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-28 23:25:10,350 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-28 23:25:10,350 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-28 23:25:10,350 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-28 23:25:10,351 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-28 23:25:10,351 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-28 23:25:10,351 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-28 23:25:10,351 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,351 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,351 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-28 23:25:10,351 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-28 23:25:10,352 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,352 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,352 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,352 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,352 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,352 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-28 23:25:10,353 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-28 23:25:10,353 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-28 23:25:10,353 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,353 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,353 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,353 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,353 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,354 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,354 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-28 23:25:10,354 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-28 23:25:10,354 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-28 23:25:10,354 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,354 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,354 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,355 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,355 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,355 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,355 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,355 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,355 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-28 23:25:10,355 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-28 23:25:10,356 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-28 23:25:10,356 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,356 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,356 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,356 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,357 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,357 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,357 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,357 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,357 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,357 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,358 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,358 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-28 23:25:10,358 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-28 23:25:10,358 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 23:25:10,358 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-28 23:25:10,358 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-28 23:25:10,358 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,359 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,359 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,359 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,359 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,359 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,359 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,359 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-28 23:25:10,360 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-28 23:25:10,360 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-28 23:25:10,360 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,360 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,360 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,360 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-28 23:25:10,360 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-28 23:25:10,361 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,361 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,361 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,361 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,361 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,361 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-28 23:25:10,361 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-28 23:25:10,362 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,362 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,362 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-28 23:25:10,362 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-28 23:25:10,362 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,362 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:25:10,363 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,363 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,363 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,363 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,363 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,363 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-28 23:25:10,363 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-28 23:25:10,364 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-28 23:25:10,364 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-28 23:25:10,364 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,364 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,365 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,365 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,365 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,365 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,365 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,366 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,366 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-28 23:25:10,366 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-28 23:25:10,367 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-28 23:25:10,368 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-28 23:25:10,368 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-28 23:25:10,368 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-28 23:25:10,368 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,368 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,369 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,369 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,369 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,371 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,371 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,371 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-28 23:25:10,372 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-28 23:25:10,372 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:25:10,372 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,372 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,372 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,372 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,373 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,373 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,373 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-28 23:25:10,373 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-28 23:25:10,373 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,373 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,373 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,374 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,374 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,374 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,374 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,374 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-28 23:25:10,374 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:25:10,374 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,374 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,375 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-28 23:25:10,375 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-28 23:25:10,375 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-28 23:25:10,375 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-28 23:25:10,379 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:10,380 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:25:10,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:25:10 BoogieIcfgContainer [2021-10-28 23:25:10,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:25:10,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:25:10,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:25:10,417 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:25:10,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:17" (3/4) ... [2021-10-28 23:25:10,420 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:25:10,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:25:10,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:25:10,485 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:25:10,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:25:10,651 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:25:10,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:25:10,654 INFO L168 Benchmark]: Toolchain (without parser) took 57298.43 ms. Allocated memory was 111.1 MB in the beginning and 736.1 MB in the end (delta: 625.0 MB). Free memory was 65.4 MB in the beginning and 314.9 MB in the end (delta: -249.5 MB). Peak memory consumption was 374.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:10,654 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 111.1 MB. Free memory is still 84.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:25:10,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1030.00 ms. Allocated memory is still 111.1 MB. Free memory was 65.2 MB in the beginning and 51.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:10,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.75 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 51.0 MB in the beginning and 99.1 MB in the end (delta: -48.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:10,656 INFO L168 Benchmark]: Boogie Preprocessor took 222.96 ms. Allocated memory is still 134.2 MB. Free memory was 99.1 MB in the beginning and 89.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:10,656 INFO L168 Benchmark]: RCFGBuilder took 2271.52 ms. Allocated memory is still 134.2 MB. Free memory was 88.8 MB in the beginning and 84.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:10,657 INFO L168 Benchmark]: TraceAbstraction took 53323.49 ms. Allocated memory was 134.2 MB in the beginning and 736.1 MB in the end (delta: 601.9 MB). Free memory was 84.8 MB in the beginning and 340.3 MB in the end (delta: -255.6 MB). Peak memory consumption was 548.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:10,657 INFO L168 Benchmark]: Witness Printer took 235.61 ms. Allocated memory is still 736.1 MB. Free memory was 340.3 MB in the beginning and 314.9 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:10,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 111.1 MB. Free memory is still 84.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1030.00 ms. Allocated memory is still 111.1 MB. Free memory was 65.2 MB in the beginning and 51.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 205.75 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 51.0 MB in the beginning and 99.1 MB in the end (delta: -48.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 222.96 ms. Allocated memory is still 134.2 MB. Free memory was 99.1 MB in the beginning and 89.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2271.52 ms. Allocated memory is still 134.2 MB. Free memory was 88.8 MB in the beginning and 84.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 53323.49 ms. Allocated memory was 134.2 MB in the beginning and 736.1 MB in the end (delta: 601.9 MB). Free memory was 84.8 MB in the beginning and 340.3 MB in the end (delta: -255.6 MB). Peak memory consumption was 548.8 MB. Max. memory is 16.1 GB. * Witness Printer took 235.61 ms. Allocated memory is still 736.1 MB. Free memory was 340.3 MB in the beginning and 314.9 MB in the end (delta: 25.4 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 82]: 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: 53.2s, OverallIterations: 24, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 30.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4153 SDtfs, 5260 SDslu, 668 SDs, 0 SdLazy, 19498 SolverSat, 2911 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 863 GetRequests, 817 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14232occurred in iteration=16, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 24 MinimizatonAttempts, 26704 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 173 NumberOfFragments, 775 HoareAnnotationTreeSize, 3 FomulaSimplifications, 83426 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 50828 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 7750 NumberOfCodeBlocks, 7750 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 7723 ConstructedInterpolants, 0 QuantifiedInterpolants, 21426 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1186 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 27 InterpolantComputations, 23 PerfectInterpolantSequences, 7650/7815 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: (((((((((((((((((((((a29 <= 599999 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15) || (((((a25 <= 10 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && a29 <= 130)) || ((((a25 == 9 && a3 == 1) && a23 + 599772 <= 0) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((0 < a23 + 43 && a25 == 9) && a3 == 1) && a23 <= 138) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || (((((a4 == 0 && a25 == 11) && a29 <= 599999) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 == 12 && a29 <= 384312) && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((10 <= a25 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || (((((a29 + 21 <= 0 && 10 <= a25) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a29 <= 384312) && a4 == 0) && a25 == 9) && a3 == 1) && a8 == 15)) || (((((10 <= a25 && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && a4 == 0) && a3 == 1) && a8 == 15) && ((0 < a23 + 43 || 141 <= a29) || !(input == 1)))) || ((((((a25 == 13 && a29 + 21 <= 0) && a4 == 0) && 0 < a23 + 43) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((a4 == 0 && a25 == 9) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || ((((((10 <= a25 && 307 <= a23) && a29 <= 571720) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a25 == 13 && a29 <= 384312) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 <= 10 && a29 <= 599999) && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a29 <= 599999 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15) || (((((a25 <= 10 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && a29 <= 130)) || ((((a25 == 9 && a3 == 1) && a23 + 599772 <= 0) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((0 < a23 + 43 && a25 == 9) && a3 == 1) && a23 <= 138) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || (((((a4 == 0 && a25 == 11) && a29 <= 599999) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 == 12 && a29 <= 384312) && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((10 <= a25 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || (((((a29 + 21 <= 0 && 10 <= a25) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a29 <= 384312) && a4 == 0) && a25 == 9) && a3 == 1) && a8 == 15)) || (((((10 <= a25 && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && a4 == 0) && a3 == 1) && a8 == 15) && ((0 < a23 + 43 || 141 <= a29) || !(input == 1)))) || ((((((a25 == 13 && a29 + 21 <= 0) && a4 == 0) && 0 < a23 + 43) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((a4 == 0 && a25 == 9) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || ((((((10 <= a25 && 307 <= a23) && a29 <= 571720) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a25 == 13 && a29 <= 384312) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 <= 10 && a29 <= 599999) && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:25:10,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b60a94-eaa5-4863-819b-331511a5ac69/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...