./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label33.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0 --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 7166744474158954665024dc8c8b3712d72f905c129b3d2684427468d2506fe1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:31:54,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:31:54,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:31:54,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:31:54,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:31:54,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:31:54,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:31:54,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:31:54,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:31:54,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:31:54,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:31:54,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:31:54,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:31:54,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:31:54,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:31:54,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:31:54,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:31:54,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:31:54,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:31:54,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:31:54,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:31:54,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:31:54,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:31:54,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:31:54,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:31:54,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:31:54,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:31:54,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:31:54,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:31:54,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:31:54,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:31:54,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:31:54,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:31:54,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:31:54,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:31:54,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:31:54,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:31:54,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:31:54,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:31:54,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:31:54,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:31:54,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:31:54,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:31:54,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:31:54,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:31:54,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:31:54,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:31:54,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:31:54,308 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:31:54,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:31:54,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:31:54,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:31:54,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:31:54,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:31:54,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:31:54,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:31:54,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:31:54,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:31:54,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:31:54,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:31:54,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:31:54,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:31:54,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:31:54,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:31:54,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:31:54,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:31:54,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:31:54,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:31:54,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:31:54,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:31:54,315 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:31:54,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:31:54,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:31:54,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:31:54,317 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_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7166744474158954665024dc8c8b3712d72f905c129b3d2684427468d2506fe1 [2021-11-22 15:31:54,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:31:54,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:31:54,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:31:54,590 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:31:54,591 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:31:54,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/eca-rers2012/Problem11_label33.c [2021-11-22 15:31:54,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/data/3310f0ddf/bd971653c48d449cb95b8d61d877c4c1/FLAG10eb8a413 [2021-11-22 15:31:55,265 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:31:55,265 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/sv-benchmarks/c/eca-rers2012/Problem11_label33.c [2021-11-22 15:31:55,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/data/3310f0ddf/bd971653c48d449cb95b8d61d877c4c1/FLAG10eb8a413 [2021-11-22 15:31:55,493 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/data/3310f0ddf/bd971653c48d449cb95b8d61d877c4c1 [2021-11-22 15:31:55,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:31:55,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:31:55,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:31:55,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:31:55,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:31:55,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:31:55" (1/1) ... [2021-11-22 15:31:55,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55711531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:55, skipping insertion in model container [2021-11-22 15:31:55,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:31:55" (1/1) ... [2021-11-22 15:31:55,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:31:55,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:31:55,863 WARN L230 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_6e3b058a-1025-4de5-ac93-c54abcd6adec/sv-benchmarks/c/eca-rers2012/Problem11_label33.c[4121,4134] [2021-11-22 15:31:56,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:31:56,172 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:31:56,207 WARN L230 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_6e3b058a-1025-4de5-ac93-c54abcd6adec/sv-benchmarks/c/eca-rers2012/Problem11_label33.c[4121,4134] [2021-11-22 15:31:56,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:31:56,352 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:31:56,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56 WrapperNode [2021-11-22 15:31:56,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:31:56,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:31:56,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:31:56,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:31:56,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (1/1) ... [2021-11-22 15:31:56,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (1/1) ... [2021-11-22 15:31:56,544 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-11-22 15:31:56,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:31:56,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:31:56,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:31:56,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:31:56,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (1/1) ... [2021-11-22 15:31:56,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (1/1) ... [2021-11-22 15:31:56,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (1/1) ... [2021-11-22 15:31:56,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (1/1) ... [2021-11-22 15:31:56,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (1/1) ... [2021-11-22 15:31:56,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (1/1) ... [2021-11-22 15:31:56,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (1/1) ... [2021-11-22 15:31:56,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:31:56,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:31:56,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:31:56,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:31:56,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (1/1) ... [2021-11-22 15:31:56,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:31:56,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:31:56,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:31:56,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:31:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:31:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:31:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:31:56,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:31:56,825 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:31:56,826 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:31:58,471 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:31:58,486 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:31:58,486 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 15:31:58,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:31:58 BoogieIcfgContainer [2021-11-22 15:31:58,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:31:58,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:31:58,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:31:58,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:31:58,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:31:55" (1/3) ... [2021-11-22 15:31:58,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391ad9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:31:58, skipping insertion in model container [2021-11-22 15:31:58,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:56" (2/3) ... [2021-11-22 15:31:58,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391ad9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:31:58, skipping insertion in model container [2021-11-22 15:31:58,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:31:58" (3/3) ... [2021-11-22 15:31:58,498 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label33.c [2021-11-22 15:31:58,506 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:31:58,507 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 15:31:58,574 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:31:58,581 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 [2021-11-22 15:31:58,581 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 15:31:58,603 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) [2021-11-22 15:31:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 15:31:58,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:58,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:58,610 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:31:58,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:58,628 INFO L85 PathProgramCache]: Analyzing trace with hash -716875070, now seen corresponding path program 1 times [2021-11-22 15:31:58,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:31:58,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371308934] [2021-11-22 15:31:58,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:58,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:31:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:58,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:31:58,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371308934] [2021-11-22 15:31:58,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371308934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:58,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:58,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:31:58,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042432514] [2021-11-22 15:31:58,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:58,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:31:58,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:31:58,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:31:58,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:31:58,948 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 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:00,241 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-11-22 15:32:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:00,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-11-22 15:32:00,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:00,267 INFO L225 Difference]: With dead ends: 761 [2021-11-22 15:32:00,268 INFO L226 Difference]: Without dead ends: 413 [2021-11-22 15:32:00,276 INFO L932 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 [2021-11-22 15:32:00,282 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 200 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:00,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-22 15:32:00,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-11-22 15:32:00,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-11-22 15:32:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-11-22 15:32:00,361 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 28 [2021-11-22 15:32:00,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:00,361 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-11-22 15:32:00,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-11-22 15:32:00,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 15:32:00,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:00,367 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:00,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:32:00,368 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:00,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:00,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1836683206, now seen corresponding path program 1 times [2021-11-22 15:32:00,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:00,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406863858] [2021-11-22 15:32:00,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:00,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:00,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:00,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406863858] [2021-11-22 15:32:00,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406863858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:00,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:00,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:32:00,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203626064] [2021-11-22 15:32:00,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:00,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:00,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:00,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:00,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:00,505 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:01,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:01,436 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-11-22 15:32:01,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:01,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2021-11-22 15:32:01,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:01,443 INFO L225 Difference]: With dead ends: 1211 [2021-11-22 15:32:01,443 INFO L226 Difference]: Without dead ends: 800 [2021-11-22 15:32:01,444 INFO L932 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 [2021-11-22 15:32:01,446 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:01,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 15:32:01,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-11-22 15:32:01,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-11-22 15:32:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:01,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-11-22 15:32:01,486 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 96 [2021-11-22 15:32:01,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:01,487 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-11-22 15:32:01,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:01,487 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-11-22 15:32:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 15:32:01,491 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:01,492 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:01,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:32:01,492 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:01,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:01,493 INFO L85 PathProgramCache]: Analyzing trace with hash 867693909, now seen corresponding path program 1 times [2021-11-22 15:32:01,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:01,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025495124] [2021-11-22 15:32:01,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:01,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:01,690 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:01,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:01,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025495124] [2021-11-22 15:32:01,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025495124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:01,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:01,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:32:01,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509090121] [2021-11-22 15:32:01,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:01,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:01,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:01,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:01,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:01,692 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:02,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:02,471 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2021-11-22 15:32:02,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:02,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2021-11-22 15:32:02,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:02,480 INFO L225 Difference]: With dead ends: 1945 [2021-11-22 15:32:02,480 INFO L226 Difference]: Without dead ends: 1158 [2021-11-22 15:32:02,481 INFO L932 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 [2021-11-22 15:32:02,483 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:02,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 15:32:02,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-11-22 15:32:02,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-11-22 15:32:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2021-11-22 15:32:02,518 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 98 [2021-11-22 15:32:02,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:02,519 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2021-11-22 15:32:02,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:02,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2021-11-22 15:32:02,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-22 15:32:02,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:02,525 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:02,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:32:02,525 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:02,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:02,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1002850089, now seen corresponding path program 1 times [2021-11-22 15:32:02,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:02,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636113817] [2021-11-22 15:32:02,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:02,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:02,666 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:02,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:02,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636113817] [2021-11-22 15:32:02,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636113817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:02,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:02,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:02,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214683932] [2021-11-22 15:32:02,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:02,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:02,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:02,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:02,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:02,670 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:03,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:03,463 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2021-11-22 15:32:03,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:03,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2021-11-22 15:32:03,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:03,471 INFO L225 Difference]: With dead ends: 2519 [2021-11-22 15:32:03,471 INFO L226 Difference]: Without dead ends: 1548 [2021-11-22 15:32:03,473 INFO L932 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 [2021-11-22 15:32:03,474 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 207 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:03,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 15:32:03,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2021-11-22 15:32:03,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2021-11-22 15:32:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:03,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2021-11-22 15:32:03,514 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 155 [2021-11-22 15:32:03,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:03,515 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2021-11-22 15:32:03,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2021-11-22 15:32:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-22 15:32:03,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:03,519 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 15:32:03,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:32:03,520 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:03,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:03,520 INFO L85 PathProgramCache]: Analyzing trace with hash -85004655, now seen corresponding path program 1 times [2021-11-22 15:32:03,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:03,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414241361] [2021-11-22 15:32:03,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:03,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:03,746 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-22 15:32:03,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:03,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414241361] [2021-11-22 15:32:03,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414241361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:03,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:03,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:03,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664609394] [2021-11-22 15:32:03,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:03,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:03,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:03,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:03,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:03,754 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:04,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:04,684 INFO L93 Difference]: Finished difference Result 3650 states and 4815 transitions. [2021-11-22 15:32:04,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:04,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 210 [2021-11-22 15:32:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:04,699 INFO L225 Difference]: With dead ends: 3650 [2021-11-22 15:32:04,699 INFO L226 Difference]: Without dead ends: 2291 [2021-11-22 15:32:04,702 INFO L932 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 [2021-11-22 15:32:04,710 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 169 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:04,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 392 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 15:32:04,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2021-11-22 15:32:04,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2098. [2021-11-22 15:32:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2675250357653791) internal successors, (2658), 2097 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2658 transitions. [2021-11-22 15:32:04,767 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2658 transitions. Word has length 210 [2021-11-22 15:32:04,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:04,768 INFO L470 AbstractCegarLoop]: Abstraction has 2098 states and 2658 transitions. [2021-11-22 15:32:04,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2658 transitions. [2021-11-22 15:32:04,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-22 15:32:04,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:04,777 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 15:32:04,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:32:04,779 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:04,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:04,781 INFO L85 PathProgramCache]: Analyzing trace with hash 78170338, now seen corresponding path program 1 times [2021-11-22 15:32:04,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:04,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592546375] [2021-11-22 15:32:04,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:04,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-22 15:32:04,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:04,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592546375] [2021-11-22 15:32:04,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592546375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:04,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:04,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:04,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470580398] [2021-11-22 15:32:04,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:04,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:04,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:04,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:04,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:04,971 INFO L87 Difference]: Start difference. First operand 2098 states and 2658 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:05,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:05,848 INFO L93 Difference]: Finished difference Result 5851 states and 7488 transitions. [2021-11-22 15:32:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:05,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 216 [2021-11-22 15:32:05,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:05,869 INFO L225 Difference]: With dead ends: 5851 [2021-11-22 15:32:05,870 INFO L226 Difference]: Without dead ends: 3755 [2021-11-22 15:32:05,875 INFO L932 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 [2021-11-22 15:32:05,877 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 183 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:05,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 144 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 15:32:05,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2021-11-22 15:32:05,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3755. [2021-11-22 15:32:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 3754 states have (on average 1.245338305807139) internal successors, (4675), 3754 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 4675 transitions. [2021-11-22 15:32:05,971 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 4675 transitions. Word has length 216 [2021-11-22 15:32:05,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:05,971 INFO L470 AbstractCegarLoop]: Abstraction has 3755 states and 4675 transitions. [2021-11-22 15:32:05,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 4675 transitions. [2021-11-22 15:32:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-22 15:32:05,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:05,978 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 15:32:05,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:32:05,978 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:05,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:05,979 INFO L85 PathProgramCache]: Analyzing trace with hash 964138675, now seen corresponding path program 1 times [2021-11-22 15:32:05,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:05,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652760805] [2021-11-22 15:32:05,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:05,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:06,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:06,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652760805] [2021-11-22 15:32:06,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652760805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:06,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:06,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:32:06,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333884795] [2021-11-22 15:32:06,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:06,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:32:06,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:06,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:32:06,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:32:06,180 INFO L87 Difference]: Start difference. First operand 3755 states and 4675 transitions. Second operand has 5 states, 5 states have (on average 49.4) internal successors, (247), 4 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:08,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:08,396 INFO L93 Difference]: Finished difference Result 13433 states and 17026 transitions. [2021-11-22 15:32:08,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:32:08,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 49.4) internal successors, (247), 4 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2021-11-22 15:32:08,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:08,450 INFO L225 Difference]: With dead ends: 13433 [2021-11-22 15:32:08,451 INFO L226 Difference]: Without dead ends: 9680 [2021-11-22 15:32:08,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:32:08,460 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 413 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:08,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [413 Valid, 106 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 1873 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-22 15:32:08,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9680 states. [2021-11-22 15:32:08,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9680 to 9475. [2021-11-22 15:32:08,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9475 states, 9474 states have (on average 1.21638167616635) internal successors, (11524), 9474 states have internal predecessors, (11524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9475 states to 9475 states and 11524 transitions. [2021-11-22 15:32:08,684 INFO L78 Accepts]: Start accepts. Automaton has 9475 states and 11524 transitions. Word has length 247 [2021-11-22 15:32:08,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:08,685 INFO L470 AbstractCegarLoop]: Abstraction has 9475 states and 11524 transitions. [2021-11-22 15:32:08,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 49.4) internal successors, (247), 4 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 9475 states and 11524 transitions. [2021-11-22 15:32:08,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-22 15:32:08,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:08,753 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:08,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 15:32:08,753 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:08,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:08,754 INFO L85 PathProgramCache]: Analyzing trace with hash 640219882, now seen corresponding path program 1 times [2021-11-22 15:32:08,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:08,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976446414] [2021-11-22 15:32:08,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:08,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-11-22 15:32:08,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:08,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976446414] [2021-11-22 15:32:08,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976446414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:08,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:08,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:08,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638565209] [2021-11-22 15:32:08,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:08,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:08,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:08,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:08,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:08,939 INFO L87 Difference]: Start difference. First operand 9475 states and 11524 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:09,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:09,826 INFO L93 Difference]: Finished difference Result 21155 states and 26096 transitions. [2021-11-22 15:32:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:09,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 [2021-11-22 15:32:09,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:09,893 INFO L225 Difference]: With dead ends: 21155 [2021-11-22 15:32:09,893 INFO L226 Difference]: Without dead ends: 12050 [2021-11-22 15:32:09,904 INFO L932 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 [2021-11-22 15:32:09,905 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 195 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:09,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 151 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 15:32:09,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12050 states. [2021-11-22 15:32:10,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12050 to 9468. [2021-11-22 15:32:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9468 states, 9467 states have (on average 1.2162247808175768) internal successors, (11514), 9467 states have internal predecessors, (11514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9468 states to 9468 states and 11514 transitions. [2021-11-22 15:32:10,236 INFO L78 Accepts]: Start accepts. Automaton has 9468 states and 11514 transitions. Word has length 293 [2021-11-22 15:32:10,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:10,239 INFO L470 AbstractCegarLoop]: Abstraction has 9468 states and 11514 transitions. [2021-11-22 15:32:10,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand 9468 states and 11514 transitions. [2021-11-22 15:32:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-22 15:32:10,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:10,251 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 15:32:10,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 15:32:10,252 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:10,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:10,254 INFO L85 PathProgramCache]: Analyzing trace with hash 117863084, now seen corresponding path program 1 times [2021-11-22 15:32:10,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:10,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292017639] [2021-11-22 15:32:10,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:10,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:10,412 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:10,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:10,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292017639] [2021-11-22 15:32:10,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292017639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:10,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:10,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:10,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504601463] [2021-11-22 15:32:10,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:10,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:10,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:10,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:10,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:10,415 INFO L87 Difference]: Start difference. First operand 9468 states and 11514 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:11,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:11,283 INFO L93 Difference]: Finished difference Result 20054 states and 24754 transitions. [2021-11-22 15:32:11,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:11,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 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 298 [2021-11-22 15:32:11,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:11,304 INFO L225 Difference]: With dead ends: 20054 [2021-11-22 15:32:11,305 INFO L226 Difference]: Without dead ends: 10956 [2021-11-22 15:32:11,316 INFO L932 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 [2021-11-22 15:32:11,319 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 61 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:11,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 335 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 15:32:11,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10956 states. [2021-11-22 15:32:11,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10956 to 10756. [2021-11-22 15:32:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10756 states, 10755 states have (on average 1.20371920037192) internal successors, (12946), 10755 states have internal predecessors, (12946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:11,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10756 states to 10756 states and 12946 transitions. [2021-11-22 15:32:11,544 INFO L78 Accepts]: Start accepts. Automaton has 10756 states and 12946 transitions. Word has length 298 [2021-11-22 15:32:11,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:11,545 INFO L470 AbstractCegarLoop]: Abstraction has 10756 states and 12946 transitions. [2021-11-22 15:32:11,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:11,545 INFO L276 IsEmpty]: Start isEmpty. Operand 10756 states and 12946 transitions. [2021-11-22 15:32:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-22 15:32:11,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:11,557 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:11,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 15:32:11,558 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:11,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:11,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1642030569, now seen corresponding path program 1 times [2021-11-22 15:32:11,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:11,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817165512] [2021-11-22 15:32:11,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:11,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-22 15:32:11,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:11,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817165512] [2021-11-22 15:32:11,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817165512] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:11,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:11,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:11,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001048969] [2021-11-22 15:32:11,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:11,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:11,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:11,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:11,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:11,715 INFO L87 Difference]: Start difference. First operand 10756 states and 12946 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:12,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:12,562 INFO L93 Difference]: Finished difference Result 20377 states and 24418 transitions. [2021-11-22 15:32:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:12,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 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 312 [2021-11-22 15:32:12,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:12,582 INFO L225 Difference]: With dead ends: 20377 [2021-11-22 15:32:12,582 INFO L226 Difference]: Without dead ends: 9991 [2021-11-22 15:32:12,594 INFO L932 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 [2021-11-22 15:32:12,594 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 137 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:12,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 148 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 15:32:12,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9991 states. [2021-11-22 15:32:12,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9991 to 7599. [2021-11-22 15:32:12,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7599 states, 7598 states have (on average 1.1417478283758884) internal successors, (8675), 7598 states have internal predecessors, (8675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:12,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7599 states to 7599 states and 8675 transitions. [2021-11-22 15:32:12,764 INFO L78 Accepts]: Start accepts. Automaton has 7599 states and 8675 transitions. Word has length 312 [2021-11-22 15:32:12,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:12,765 INFO L470 AbstractCegarLoop]: Abstraction has 7599 states and 8675 transitions. [2021-11-22 15:32:12,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 7599 states and 8675 transitions. [2021-11-22 15:32:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-11-22 15:32:12,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:12,788 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:12,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 15:32:12,788 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:12,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:12,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1079031194, now seen corresponding path program 1 times [2021-11-22 15:32:12,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:12,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678689555] [2021-11-22 15:32:12,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:12,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-22 15:32:13,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:13,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678689555] [2021-11-22 15:32:13,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678689555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:13,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:13,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:13,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305741727] [2021-11-22 15:32:13,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:13,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:13,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:13,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:13,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:13,055 INFO L87 Difference]: Start difference. First operand 7599 states and 8675 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:13,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:13,928 INFO L93 Difference]: Finished difference Result 17772 states and 20278 transitions. [2021-11-22 15:32:13,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:13,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 397 [2021-11-22 15:32:13,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:13,947 INFO L225 Difference]: With dead ends: 17772 [2021-11-22 15:32:13,947 INFO L226 Difference]: Without dead ends: 9802 [2021-11-22 15:32:13,955 INFO L932 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 [2021-11-22 15:32:13,956 INFO L933 BasicCegarLoop]: 298 mSDtfsCounter, 121 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:13,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 315 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 15:32:13,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9802 states. [2021-11-22 15:32:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9802 to 8698. [2021-11-22 15:32:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8698 states, 8697 states have (on average 1.134069219271013) internal successors, (9863), 8697 states have internal predecessors, (9863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:14,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8698 states to 8698 states and 9863 transitions. [2021-11-22 15:32:14,144 INFO L78 Accepts]: Start accepts. Automaton has 8698 states and 9863 transitions. Word has length 397 [2021-11-22 15:32:14,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:14,145 INFO L470 AbstractCegarLoop]: Abstraction has 8698 states and 9863 transitions. [2021-11-22 15:32:14,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:14,145 INFO L276 IsEmpty]: Start isEmpty. Operand 8698 states and 9863 transitions. [2021-11-22 15:32:14,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-22 15:32:14,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:14,159 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:14,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 15:32:14,159 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:14,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:14,160 INFO L85 PathProgramCache]: Analyzing trace with hash 145108911, now seen corresponding path program 1 times [2021-11-22 15:32:14,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:14,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106338898] [2021-11-22 15:32:14,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:14,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 15:32:14,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:14,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106338898] [2021-11-22 15:32:14,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106338898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:14,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:14,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 15:32:14,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415970213] [2021-11-22 15:32:14,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:14,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 15:32:14,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:14,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 15:32:14,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:32:14,595 INFO L87 Difference]: Start difference. First operand 8698 states and 9863 transitions. Second operand has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 6 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:16,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:16,326 INFO L93 Difference]: Finished difference Result 20143 states and 22796 transitions. [2021-11-22 15:32:16,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 15:32:16,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 6 states have internal predecessors, (373), 0 states have call successors, (0), 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 398 [2021-11-22 15:32:16,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:16,356 INFO L225 Difference]: With dead ends: 20143 [2021-11-22 15:32:16,356 INFO L226 Difference]: Without dead ends: 11815 [2021-11-22 15:32:16,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-22 15:32:16,366 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 339 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1737 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 1926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:16,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [339 Valid, 181 Invalid, 1926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1737 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-22 15:32:16,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11815 states. [2021-11-22 15:32:16,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11815 to 11461. [2021-11-22 15:32:16,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11461 states, 11460 states have (on average 1.1300174520069808) internal successors, (12950), 11460 states have internal predecessors, (12950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11461 states to 11461 states and 12950 transitions. [2021-11-22 15:32:16,614 INFO L78 Accepts]: Start accepts. Automaton has 11461 states and 12950 transitions. Word has length 398 [2021-11-22 15:32:16,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:16,615 INFO L470 AbstractCegarLoop]: Abstraction has 11461 states and 12950 transitions. [2021-11-22 15:32:16,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 6 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 11461 states and 12950 transitions. [2021-11-22 15:32:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-11-22 15:32:16,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:16,636 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:16,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 15:32:16,637 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:16,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:16,637 INFO L85 PathProgramCache]: Analyzing trace with hash 504044406, now seen corresponding path program 1 times [2021-11-22 15:32:16,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:16,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269389869] [2021-11-22 15:32:16,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:16,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 357 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 15:32:17,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:17,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269389869] [2021-11-22 15:32:17,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269389869] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:32:17,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401108194] [2021-11-22 15:32:17,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:17,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:32:17,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:32:17,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:32:17,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:32:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:17,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:32:17,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 244 proven. 121 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 15:32:19,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 244 proven. 121 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 15:32:23,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401108194] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:32:23,854 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 15:32:23,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 10 [2021-11-22 15:32:23,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032853403] [2021-11-22 15:32:23,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 15:32:23,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 15:32:23,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:23,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 15:32:23,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-22 15:32:23,858 INFO L87 Difference]: Start difference. First operand 11461 states and 12950 transitions. Second operand has 11 states, 11 states have (on average 86.45454545454545) internal successors, (951), 10 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:28,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:28,950 INFO L93 Difference]: Finished difference Result 30539 states and 34353 transitions. [2021-11-22 15:32:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-22 15:32:28,950 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 86.45454545454545) internal successors, (951), 10 states have internal predecessors, (951), 0 states have call successors, (0), 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 408 [2021-11-22 15:32:28,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:28,980 INFO L225 Difference]: With dead ends: 30539 [2021-11-22 15:32:28,980 INFO L226 Difference]: Without dead ends: 18698 [2021-11-22 15:32:28,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 847 GetRequests, 812 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=363, Invalid=969, Unknown=0, NotChecked=0, Total=1332 [2021-11-22 15:32:28,993 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 1398 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 4391 mSolverCounterSat, 971 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 5362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 971 IncrementalHoareTripleChecker+Valid, 4391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:28,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1398 Valid, 250 Invalid, 5362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [971 Valid, 4391 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-22 15:32:29,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18698 states. [2021-11-22 15:32:29,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18698 to 10723. [2021-11-22 15:32:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10723 states, 10722 states have (on average 1.104178324939377) internal successors, (11839), 10722 states have internal predecessors, (11839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:29,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10723 states to 10723 states and 11839 transitions. [2021-11-22 15:32:29,216 INFO L78 Accepts]: Start accepts. Automaton has 10723 states and 11839 transitions. Word has length 408 [2021-11-22 15:32:29,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:29,217 INFO L470 AbstractCegarLoop]: Abstraction has 10723 states and 11839 transitions. [2021-11-22 15:32:29,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 86.45454545454545) internal successors, (951), 10 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 10723 states and 11839 transitions. [2021-11-22 15:32:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-22 15:32:29,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:29,230 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:29,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:29,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-22 15:32:29,445 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:29,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:29,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1509289490, now seen corresponding path program 1 times [2021-11-22 15:32:29,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:29,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976824997] [2021-11-22 15:32:29,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:29,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:29,683 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:29,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:29,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976824997] [2021-11-22 15:32:29,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976824997] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:29,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:29,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:32:29,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137750137] [2021-11-22 15:32:29,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:29,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:29,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:29,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:29,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:29,687 INFO L87 Difference]: Start difference. First operand 10723 states and 11839 transitions. Second operand has 4 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:30,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:30,887 INFO L93 Difference]: Finished difference Result 23476 states and 25909 transitions. [2021-11-22 15:32:30,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:30,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 0 states have call successors, (0), 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 430 [2021-11-22 15:32:30,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:30,906 INFO L225 Difference]: With dead ends: 23476 [2021-11-22 15:32:30,906 INFO L226 Difference]: Without dead ends: 13123 [2021-11-22 15:32:30,913 INFO L932 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 [2021-11-22 15:32:30,914 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 180 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:30,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 63 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 15:32:30,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13123 states. [2021-11-22 15:32:31,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13123 to 12386. [2021-11-22 15:32:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12386 states, 12385 states have (on average 1.09245054501413) internal successors, (13530), 12385 states have internal predecessors, (13530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12386 states to 12386 states and 13530 transitions. [2021-11-22 15:32:31,181 INFO L78 Accepts]: Start accepts. Automaton has 12386 states and 13530 transitions. Word has length 430 [2021-11-22 15:32:31,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:31,182 INFO L470 AbstractCegarLoop]: Abstraction has 12386 states and 13530 transitions. [2021-11-22 15:32:31,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:31,183 INFO L276 IsEmpty]: Start isEmpty. Operand 12386 states and 13530 transitions. [2021-11-22 15:32:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2021-11-22 15:32:31,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:31,201 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:31,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 15:32:31,202 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:31,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:31,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1406221149, now seen corresponding path program 1 times [2021-11-22 15:32:31,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:31,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255207496] [2021-11-22 15:32:31,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:31,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-22 15:32:31,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:31,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255207496] [2021-11-22 15:32:31,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255207496] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:31,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:31,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:31,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544011343] [2021-11-22 15:32:31,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:31,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:31,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:31,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:31,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:31,429 INFO L87 Difference]: Start difference. First operand 12386 states and 13530 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:32,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:32,115 INFO L93 Difference]: Finished difference Result 26426 states and 28854 transitions. [2021-11-22 15:32:32,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:32,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 445 [2021-11-22 15:32:32,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:32,146 INFO L225 Difference]: With dead ends: 26426 [2021-11-22 15:32:32,146 INFO L226 Difference]: Without dead ends: 12568 [2021-11-22 15:32:32,153 INFO L932 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 [2021-11-22 15:32:32,154 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 117 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:32,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 294 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 15:32:32,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12568 states. [2021-11-22 15:32:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12568 to 10911. [2021-11-22 15:32:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10911 states, 10910 states have (on average 1.0778185151237396) internal successors, (11759), 10910 states have internal predecessors, (11759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10911 states to 10911 states and 11759 transitions. [2021-11-22 15:32:32,313 INFO L78 Accepts]: Start accepts. Automaton has 10911 states and 11759 transitions. Word has length 445 [2021-11-22 15:32:32,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:32,314 INFO L470 AbstractCegarLoop]: Abstraction has 10911 states and 11759 transitions. [2021-11-22 15:32:32,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 10911 states and 11759 transitions. [2021-11-22 15:32:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-11-22 15:32:32,329 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:32,330 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:32,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-22 15:32:32,330 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:32,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:32,331 INFO L85 PathProgramCache]: Analyzing trace with hash 546987130, now seen corresponding path program 1 times [2021-11-22 15:32:32,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:32,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209477170] [2021-11-22 15:32:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:32,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 589 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-22 15:32:32,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:32,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209477170] [2021-11-22 15:32:32,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209477170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:32,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:32,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:32,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479384517] [2021-11-22 15:32:32,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:32,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:32,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:32,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:32,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:32,572 INFO L87 Difference]: Start difference. First operand 10911 states and 11759 transitions. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:33,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:33,271 INFO L93 Difference]: Finished difference Result 22555 states and 24296 transitions. [2021-11-22 15:32:33,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:33,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 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 483 [2021-11-22 15:32:33,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:33,288 INFO L225 Difference]: With dead ends: 22555 [2021-11-22 15:32:33,288 INFO L226 Difference]: Without dead ends: 12014 [2021-11-22 15:32:33,294 INFO L932 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 [2021-11-22 15:32:33,295 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 68 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:33,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 307 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 15:32:33,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12014 states. [2021-11-22 15:32:33,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12014 to 11830. [2021-11-22 15:32:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11830 states, 11829 states have (on average 1.0695747738608505) internal successors, (12652), 11829 states have internal predecessors, (12652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11830 states to 11830 states and 12652 transitions. [2021-11-22 15:32:33,460 INFO L78 Accepts]: Start accepts. Automaton has 11830 states and 12652 transitions. Word has length 483 [2021-11-22 15:32:33,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:33,461 INFO L470 AbstractCegarLoop]: Abstraction has 11830 states and 12652 transitions. [2021-11-22 15:32:33,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 11830 states and 12652 transitions. [2021-11-22 15:32:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-11-22 15:32:33,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:33,482 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-11-22 15:32:33,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-22 15:32:33,482 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:33,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:33,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1451405169, now seen corresponding path program 1 times [2021-11-22 15:32:33,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:33,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047335324] [2021-11-22 15:32:33,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:33,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 578 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-22 15:32:33,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:33,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047335324] [2021-11-22 15:32:33,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047335324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:33,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:33,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:33,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209034574] [2021-11-22 15:32:33,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:33,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:33,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:33,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:33,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:33,671 INFO L87 Difference]: Start difference. First operand 11830 states and 12652 transitions. Second operand has 4 states, 4 states have (on average 90.5) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:34,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:34,648 INFO L93 Difference]: Finished difference Result 24032 states and 25730 transitions. [2021-11-22 15:32:34,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:34,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.5) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 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 483 [2021-11-22 15:32:34,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:34,660 INFO L225 Difference]: With dead ends: 24032 [2021-11-22 15:32:34,660 INFO L226 Difference]: Without dead ends: 12572 [2021-11-22 15:32:34,667 INFO L932 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 [2021-11-22 15:32:34,668 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 193 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:34,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 102 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 15:32:34,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12572 states. [2021-11-22 15:32:34,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12572 to 12016. [2021-11-22 15:32:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12016 states, 12015 states have (on average 1.0689138576779027) internal successors, (12843), 12015 states have internal predecessors, (12843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:34,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12016 states to 12016 states and 12843 transitions. [2021-11-22 15:32:34,827 INFO L78 Accepts]: Start accepts. Automaton has 12016 states and 12843 transitions. Word has length 483 [2021-11-22 15:32:34,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:34,827 INFO L470 AbstractCegarLoop]: Abstraction has 12016 states and 12843 transitions. [2021-11-22 15:32:34,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.5) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:34,828 INFO L276 IsEmpty]: Start isEmpty. Operand 12016 states and 12843 transitions. [2021-11-22 15:32:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-11-22 15:32:34,837 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:34,837 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:34,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-22 15:32:34,838 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:34,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:34,838 INFO L85 PathProgramCache]: Analyzing trace with hash 704365135, now seen corresponding path program 1 times [2021-11-22 15:32:34,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:34,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643128457] [2021-11-22 15:32:34,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:34,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 594 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-22 15:32:35,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:35,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643128457] [2021-11-22 15:32:35,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643128457] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:35,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:35,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:35,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105096462] [2021-11-22 15:32:35,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:35,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:35,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:35,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:35,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:35,065 INFO L87 Difference]: Start difference. First operand 12016 states and 12843 transitions. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:35,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:35,728 INFO L93 Difference]: Finished difference Result 24033 states and 25696 transitions. [2021-11-22 15:32:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:35,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 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 488 [2021-11-22 15:32:35,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:35,738 INFO L225 Difference]: With dead ends: 24033 [2021-11-22 15:32:35,738 INFO L226 Difference]: Without dead ends: 12203 [2021-11-22 15:32:35,745 INFO L932 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 [2021-11-22 15:32:35,746 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 66 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:35,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 323 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 15:32:35,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12203 states. [2021-11-22 15:32:35,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12203 to 12015. [2021-11-22 15:32:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12015 states, 12014 states have (on average 1.057516231063759) internal successors, (12705), 12014 states have internal predecessors, (12705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12015 states to 12015 states and 12705 transitions. [2021-11-22 15:32:35,909 INFO L78 Accepts]: Start accepts. Automaton has 12015 states and 12705 transitions. Word has length 488 [2021-11-22 15:32:35,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:35,909 INFO L470 AbstractCegarLoop]: Abstraction has 12015 states and 12705 transitions. [2021-11-22 15:32:35,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:35,910 INFO L276 IsEmpty]: Start isEmpty. Operand 12015 states and 12705 transitions. [2021-11-22 15:32:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2021-11-22 15:32:35,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:35,920 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:35,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-22 15:32:35,920 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:35,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:35,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1341858608, now seen corresponding path program 1 times [2021-11-22 15:32:35,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:35,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009412207] [2021-11-22 15:32:35,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:35,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 605 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-22 15:32:36,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:36,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009412207] [2021-11-22 15:32:36,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009412207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:36,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:36,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:36,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412811390] [2021-11-22 15:32:36,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:36,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:36,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:36,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:36,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:36,112 INFO L87 Difference]: Start difference. First operand 12015 states and 12705 transitions. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:36,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:36,693 INFO L93 Difference]: Finished difference Result 25515 states and 27017 transitions. [2021-11-22 15:32:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:36,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 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 497 [2021-11-22 15:32:36,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:36,702 INFO L225 Difference]: With dead ends: 25515 [2021-11-22 15:32:36,702 INFO L226 Difference]: Without dead ends: 13870 [2021-11-22 15:32:36,709 INFO L932 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 [2021-11-22 15:32:36,710 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 64 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:36,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 135 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 15:32:36,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13870 states. [2021-11-22 15:32:36,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13870 to 12567. [2021-11-22 15:32:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12567 states, 12566 states have (on average 1.0563425115390737) internal successors, (13274), 12566 states have internal predecessors, (13274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12567 states to 12567 states and 13274 transitions. [2021-11-22 15:32:36,952 INFO L78 Accepts]: Start accepts. Automaton has 12567 states and 13274 transitions. Word has length 497 [2021-11-22 15:32:36,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:36,953 INFO L470 AbstractCegarLoop]: Abstraction has 12567 states and 13274 transitions. [2021-11-22 15:32:36,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 12567 states and 13274 transitions. [2021-11-22 15:32:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-11-22 15:32:36,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:36,966 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:36,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-22 15:32:36,967 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:36,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:36,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1445337457, now seen corresponding path program 1 times [2021-11-22 15:32:36,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:36,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911597864] [2021-11-22 15:32:36,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:36,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 637 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2021-11-22 15:32:37,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:37,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911597864] [2021-11-22 15:32:37,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911597864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:37,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:37,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:37,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955243245] [2021-11-22 15:32:37,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:37,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:37,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:37,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:37,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:37,150 INFO L87 Difference]: Start difference. First operand 12567 states and 13274 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:37,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:37,666 INFO L93 Difference]: Finished difference Result 24579 states and 25963 transitions. [2021-11-22 15:32:37,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:37,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 564 [2021-11-22 15:32:37,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:37,676 INFO L225 Difference]: With dead ends: 24579 [2021-11-22 15:32:37,676 INFO L226 Difference]: Without dead ends: 12382 [2021-11-22 15:32:37,681 INFO L932 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 [2021-11-22 15:32:37,682 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 192 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:37,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 325 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 15:32:37,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12382 states. [2021-11-22 15:32:37,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12382 to 12382. [2021-11-22 15:32:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12382 states, 12381 states have (on average 1.055084403521525) internal successors, (13063), 12381 states have internal predecessors, (13063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12382 states to 12382 states and 13063 transitions. [2021-11-22 15:32:37,802 INFO L78 Accepts]: Start accepts. Automaton has 12382 states and 13063 transitions. Word has length 564 [2021-11-22 15:32:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:37,803 INFO L470 AbstractCegarLoop]: Abstraction has 12382 states and 13063 transitions. [2021-11-22 15:32:37,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 12382 states and 13063 transitions. [2021-11-22 15:32:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-11-22 15:32:37,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:37,814 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:37,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-22 15:32:37,814 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:37,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:37,815 INFO L85 PathProgramCache]: Analyzing trace with hash 688501029, now seen corresponding path program 1 times [2021-11-22 15:32:37,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:37,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128497462] [2021-11-22 15:32:37,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:37,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2021-11-22 15:32:38,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:38,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128497462] [2021-11-22 15:32:38,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128497462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:38,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:38,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:38,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531799247] [2021-11-22 15:32:38,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:38,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:38,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:38,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:38,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:38,023 INFO L87 Difference]: Start difference. First operand 12382 states and 13063 transitions. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:38,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:38,772 INFO L93 Difference]: Finished difference Result 26049 states and 27494 transitions. [2021-11-22 15:32:38,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:38,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 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 590 [2021-11-22 15:32:38,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:38,792 INFO L225 Difference]: With dead ends: 26049 [2021-11-22 15:32:38,792 INFO L226 Difference]: Without dead ends: 14037 [2021-11-22 15:32:38,797 INFO L932 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 [2021-11-22 15:32:38,797 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 143 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:38,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 61 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 15:32:38,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14037 states. [2021-11-22 15:32:38,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14037 to 12746. [2021-11-22 15:32:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12746 states, 12745 states have (on average 1.0522557865829738) internal successors, (13411), 12745 states have internal predecessors, (13411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12746 states to 12746 states and 13411 transitions. [2021-11-22 15:32:39,013 INFO L78 Accepts]: Start accepts. Automaton has 12746 states and 13411 transitions. Word has length 590 [2021-11-22 15:32:39,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:39,013 INFO L470 AbstractCegarLoop]: Abstraction has 12746 states and 13411 transitions. [2021-11-22 15:32:39,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 12746 states and 13411 transitions. [2021-11-22 15:32:39,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2021-11-22 15:32:39,029 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:39,029 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:39,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-22 15:32:39,030 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:39,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:39,030 INFO L85 PathProgramCache]: Analyzing trace with hash 54450342, now seen corresponding path program 1 times [2021-11-22 15:32:39,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:39,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382953505] [2021-11-22 15:32:39,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:39,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 889 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-11-22 15:32:39,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:39,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382953505] [2021-11-22 15:32:39,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382953505] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:39,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:39,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:39,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463952421] [2021-11-22 15:32:39,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:39,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:39,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:39,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:39,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:39,297 INFO L87 Difference]: Start difference. First operand 12746 states and 13411 transitions. Second operand has 4 states, 4 states have (on average 98.5) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:40,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:40,298 INFO L93 Difference]: Finished difference Result 32132 states and 33819 transitions. [2021-11-22 15:32:40,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:40,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 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 595 [2021-11-22 15:32:40,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:40,311 INFO L225 Difference]: With dead ends: 32132 [2021-11-22 15:32:40,311 INFO L226 Difference]: Without dead ends: 19388 [2021-11-22 15:32:40,316 INFO L932 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 [2021-11-22 15:32:40,317 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 203 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:40,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 64 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 15:32:40,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19388 states. [2021-11-22 15:32:40,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19388 to 16250. [2021-11-22 15:32:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16250 states, 16249 states have (on average 1.0510800664656286) internal successors, (17079), 16249 states have internal predecessors, (17079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:40,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16250 states to 16250 states and 17079 transitions. [2021-11-22 15:32:40,492 INFO L78 Accepts]: Start accepts. Automaton has 16250 states and 17079 transitions. Word has length 595 [2021-11-22 15:32:40,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:40,492 INFO L470 AbstractCegarLoop]: Abstraction has 16250 states and 17079 transitions. [2021-11-22 15:32:40,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:40,492 INFO L276 IsEmpty]: Start isEmpty. Operand 16250 states and 17079 transitions. [2021-11-22 15:32:40,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2021-11-22 15:32:40,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:40,505 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:40,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-22 15:32:40,505 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:40,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:40,505 INFO L85 PathProgramCache]: Analyzing trace with hash 905967947, now seen corresponding path program 1 times [2021-11-22 15:32:40,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:40,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679555327] [2021-11-22 15:32:40,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:40,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 1064 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-22 15:32:40,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:40,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679555327] [2021-11-22 15:32:40,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679555327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:40,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:40,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:32:40,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897635399] [2021-11-22 15:32:40,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:40,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:40,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:40,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:40,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:40,746 INFO L87 Difference]: Start difference. First operand 16250 states and 17079 transitions. Second operand has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:41,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:41,780 INFO L93 Difference]: Finished difference Result 33977 states and 35796 transitions. [2021-11-22 15:32:41,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:41,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 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 601 [2021-11-22 15:32:41,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:41,791 INFO L225 Difference]: With dead ends: 33977 [2021-11-22 15:32:41,792 INFO L226 Difference]: Without dead ends: 17915 [2021-11-22 15:32:41,798 INFO L932 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 [2021-11-22 15:32:41,799 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 186 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:41,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 73 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 15:32:41,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17915 states. [2021-11-22 15:32:41,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17915 to 17910. [2021-11-22 15:32:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17910 states, 17909 states have (on average 1.0521525489977106) internal successors, (18843), 17909 states have internal predecessors, (18843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17910 states to 17910 states and 18843 transitions. [2021-11-22 15:32:41,962 INFO L78 Accepts]: Start accepts. Automaton has 17910 states and 18843 transitions. Word has length 601 [2021-11-22 15:32:41,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:41,963 INFO L470 AbstractCegarLoop]: Abstraction has 17910 states and 18843 transitions. [2021-11-22 15:32:41,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 17910 states and 18843 transitions. [2021-11-22 15:32:41,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-11-22 15:32:41,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:41,971 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:41,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-22 15:32:41,971 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:41,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1278260760, now seen corresponding path program 1 times [2021-11-22 15:32:41,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:41,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105777086] [2021-11-22 15:32:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:41,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2021-11-22 15:32:42,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:42,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105777086] [2021-11-22 15:32:42,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105777086] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:42,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:42,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:42,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193503555] [2021-11-22 15:32:42,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:42,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:42,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:42,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:42,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:42,208 INFO L87 Difference]: Start difference. First operand 17910 states and 18843 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:42,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:42,863 INFO L93 Difference]: Finished difference Result 18097 states and 19041 transitions. [2021-11-22 15:32:42,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:42,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 608 [2021-11-22 15:32:42,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:42,865 INFO L225 Difference]: With dead ends: 18097 [2021-11-22 15:32:42,865 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 15:32:42,871 INFO L932 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 [2021-11-22 15:32:42,873 INFO L933 BasicCegarLoop]: 300 mSDtfsCounter, 162 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:42,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 322 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 15:32:42,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 15:32:42,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 15:32:42,881 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) [2021-11-22 15:32:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 15:32:42,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 608 [2021-11-22 15:32:42,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:42,882 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 15:32:42,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:42,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 15:32:42,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 15:32:42,885 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 15:32:42,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-22 15:32:42,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 15:32:55,620 WARN L227 SmtUtils]: Spent 12.72s on a formula simplification. DAG size of input: 793 DAG size of output: 781 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-22 15:33:07,315 WARN L227 SmtUtils]: Spent 11.69s on a formula simplification. DAG size of input: 793 DAG size of output: 781 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-22 15:33:13,029 WARN L227 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 781 DAG size of output: 125 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-22 15:33:18,497 WARN L227 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 781 DAG size of output: 125 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-22 15:33:18,501 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-11-22 15:33:18,501 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,501 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-11-22 15:33:18,501 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,502 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,502 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,502 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,502 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,502 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,502 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-11-22 15:33:18,503 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-11-22 15:33:18,503 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-11-22 15:33:18,503 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,503 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,503 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,503 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,503 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,504 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,504 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,504 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,504 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,504 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,504 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-11-22 15:33:18,505 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-11-22 15:33:18,505 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-11-22 15:33:18,505 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,505 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-11-22 15:33:18,505 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-11-22 15:33:18,505 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,505 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,506 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,506 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,506 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,506 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,506 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-22 15:33:18,506 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-11-22 15:33:18,506 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-11-22 15:33:18,507 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,507 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,507 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,507 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse13 (+ ~a23~0 43))) (let ((.cse2 (< 0 .cse13)) (.cse10 (<= ~a23~0 306)) (.cse4 (= ~a25~0 12))) (let ((.cse16 (= ~a25~0 10)) (.cse14 (<= 261 ~a29~0)) (.cse7 (<= ~a29~0 599998)) (.cse9 (<= 99915 ~a29~0)) (.cse5 (or (<= ~a29~0 277) .cse10 (not .cse4))) (.cse20 (<= (+ 119992 ~a23~0) 0)) (.cse1 (<= ~a23~0 278)) (.cse17 (= ~a25~0 11)) (.cse15 (<= ~a25~0 10)) (.cse19 (or (< 140 ~a29~0) .cse2 (not (= ~a25~0 9)))) (.cse18 (<= ~a29~0 245)) (.cse0 (= ~a25~0 13)) (.cse6 (= ~a4~0 0)) (.cse21 (<= ~a29~0 274)) (.cse12 (<= ~a23~0 138)) (.cse8 (<= 130 ~a29~0)) (.cse11 (<= (+ ~a29~0 22) 0)) (.cse3 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= 99912 ~a29~0) .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse5 .cse3 .cse9 (or (not .cse0) .cse10)) (and .cse0 .cse6 .cse11 .cse12) (and (<= .cse13 0) .cse14 .cse6 .cse15 .cse7) (and .cse6 .cse11 .cse15 .cse12) (and .cse15 .cse3 .cse16) (and .cse0 (<= 307 ~a23~0) .cse7 .cse3) (and .cse17 .cse2 .cse3 (<= ~a23~0 312)) (and .cse1 .cse11 .cse2 .cse18 .cse3) (and .cse15 .cse12 .cse3 .cse19) (and .cse6 .cse11 (<= 0 (+ ~a29~0 28553)) .cse16) (and .cse14 .cse6 .cse17 .cse7 .cse20) (and .cse6 .cse15 .cse7 .cse9) (and .cse17 .cse3 .cse8) (and .cse4 .cse5 .cse3 .cse8) (and .cse6 .cse2 .cse21 .cse12) (and .cse6 .cse17 .cse18 .cse20) (and .cse18 .cse12 .cse3 .cse19 .cse8) (and .cse4 .cse6 .cse11) (and .cse1 .cse4 .cse3) (and .cse6 .cse17 .cse11 .cse12) (and .cse15 .cse3 .cse19 .cse8) (and .cse0 .cse2 .cse18 .cse3) (and .cse0 .cse6 .cse21 .cse12 .cse8) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse4 .cse11 (= ~a3~0 1) .cse3 (<= 312 ~a23~0) (= ~a8~0 15)))))) [2021-11-22 15:33:18,508 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,508 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-11-22 15:33:18,508 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-11-22 15:33:18,508 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,508 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,508 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,509 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,509 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,509 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,509 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-11-22 15:33:18,509 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-11-22 15:33:18,509 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-11-22 15:33:18,509 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-11-22 15:33:18,510 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,510 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,510 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,510 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,510 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,510 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,511 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,511 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-11-22 15:33:18,511 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-11-22 15:33:18,511 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-11-22 15:33:18,511 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,511 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,511 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,512 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,512 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,512 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,512 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,512 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,512 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,513 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-22 15:33:18,513 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-11-22 15:33:18,513 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-11-22 15:33:18,513 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,513 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse13 (+ ~a23~0 43))) (let ((.cse2 (< 0 .cse13)) (.cse10 (<= ~a23~0 306)) (.cse4 (= ~a25~0 12))) (let ((.cse16 (= ~a25~0 10)) (.cse14 (<= 261 ~a29~0)) (.cse7 (<= ~a29~0 599998)) (.cse9 (<= 99915 ~a29~0)) (.cse5 (or (<= ~a29~0 277) .cse10 (not .cse4))) (.cse20 (<= (+ 119992 ~a23~0) 0)) (.cse1 (<= ~a23~0 278)) (.cse17 (= ~a25~0 11)) (.cse15 (<= ~a25~0 10)) (.cse19 (or (< 140 ~a29~0) .cse2 (not (= ~a25~0 9)))) (.cse18 (<= ~a29~0 245)) (.cse0 (= ~a25~0 13)) (.cse6 (= ~a4~0 0)) (.cse21 (<= ~a29~0 274)) (.cse12 (<= ~a23~0 138)) (.cse8 (<= 130 ~a29~0)) (.cse11 (<= (+ ~a29~0 22) 0)) (.cse3 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= 99912 ~a29~0) .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse5 .cse3 .cse9 (or (not .cse0) .cse10)) (and .cse0 .cse6 .cse11 .cse12) (and (<= .cse13 0) .cse14 .cse6 .cse15 .cse7) (and .cse6 .cse11 .cse15 .cse12) (and .cse15 .cse3 .cse16) (and .cse0 (<= 307 ~a23~0) .cse7 .cse3) (and .cse17 .cse2 .cse3 (<= ~a23~0 312)) (and .cse1 .cse11 .cse2 .cse18 .cse3) (and .cse15 .cse12 .cse3 .cse19) (and .cse6 .cse11 (<= 0 (+ ~a29~0 28553)) .cse16) (and .cse14 .cse6 .cse17 .cse7 .cse20) (and .cse6 .cse15 .cse7 .cse9) (and .cse17 .cse3 .cse8) (and .cse4 .cse5 .cse3 .cse8) (and .cse6 .cse2 .cse21 .cse12) (and .cse6 .cse17 .cse18 .cse20) (and .cse18 .cse12 .cse3 .cse19 .cse8) (and .cse4 .cse6 .cse11) (and .cse1 .cse4 .cse3) (and .cse6 .cse17 .cse11 .cse12) (and .cse15 .cse3 .cse19 .cse8) (and .cse0 .cse2 .cse18 .cse3) (and .cse0 .cse6 .cse21 .cse12 .cse8) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse4 .cse11 (= ~a3~0 1) .cse3 (<= 312 ~a23~0) (= ~a8~0 15)))))) [2021-11-22 15:33:18,514 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,514 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,514 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,514 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,514 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,514 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,514 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,515 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,515 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-22 15:33:18,515 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-11-22 15:33:18,515 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-11-22 15:33:18,515 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-11-22 15:33:18,515 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-11-22 15:33:18,515 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-11-22 15:33:18,516 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-11-22 15:33:18,516 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,516 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,516 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,516 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,516 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,516 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,517 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,517 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,517 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,517 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,517 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 15:33:18,517 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-11-22 15:33:18,518 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-11-22 15:33:18,518 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-11-22 15:33:18,518 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-11-22 15:33:18,518 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,518 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,518 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,518 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,519 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,519 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-11-22 15:33:18,519 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-11-22 15:33:18,519 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-11-22 15:33:18,519 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,519 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,519 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,520 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,520 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-11-22 15:33:18,520 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-11-22 15:33:18,520 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,520 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,520 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,520 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,520 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,521 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,521 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-11-22 15:33:18,521 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-11-22 15:33:18,521 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,521 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,521 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-22 15:33:18,521 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-11-22 15:33:18,522 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-11-22 15:33:18,522 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 15:33:18,522 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2021-11-22 15:33:18,522 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,522 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,522 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,523 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,523 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,523 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,523 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,523 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-22 15:33:18,523 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-11-22 15:33:18,523 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-11-22 15:33:18,523 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-11-22 15:33:18,524 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-11-22 15:33:18,524 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-11-22 15:33:18,524 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-11-22 15:33:18,524 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,524 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,524 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-11-22 15:33:18,524 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-11-22 15:33:18,525 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,525 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,525 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,525 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,525 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,525 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-11-22 15:33:18,525 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-11-22 15:33:18,526 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-11-22 15:33:18,526 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,526 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,526 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,526 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,526 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,526 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,527 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-11-22 15:33:18,527 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-11-22 15:33:18,527 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-11-22 15:33:18,527 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,527 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,527 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,527 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,528 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,528 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,528 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,528 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,528 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-11-22 15:33:18,528 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-11-22 15:33:18,528 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-11-22 15:33:18,529 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,529 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,529 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,529 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,529 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,529 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,529 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,530 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,530 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,530 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,530 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,530 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-11-22 15:33:18,530 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-11-22 15:33:18,530 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-22 15:33:18,530 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-22 15:33:18,531 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-11-22 15:33:18,531 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,531 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,531 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,531 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,531 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,531 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,532 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,532 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-11-22 15:33:18,532 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-11-22 15:33:18,532 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-11-22 15:33:18,532 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,532 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,532 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,533 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-11-22 15:33:18,533 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-11-22 15:33:18,533 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,533 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,533 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,533 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,533 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,534 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-11-22 15:33:18,534 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-11-22 15:33:18,534 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,534 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,534 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-11-22 15:33:18,534 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-11-22 15:33:18,534 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,535 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 15:33:18,535 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,535 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,535 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,535 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,535 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,535 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-11-22 15:33:18,536 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-22 15:33:18,536 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-11-22 15:33:18,536 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-11-22 15:33:18,536 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,536 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,536 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,536 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,537 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,537 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,537 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,537 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,537 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-11-22 15:33:18,537 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-11-22 15:33:18,537 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-11-22 15:33:18,538 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-11-22 15:33:18,538 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-11-22 15:33:18,538 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-11-22 15:33:18,538 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,538 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,538 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,538 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,539 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,539 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,539 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,539 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-22 15:33:18,539 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-11-22 15:33:18,539 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 15:33:18,540 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,540 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,540 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,540 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,540 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,540 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,540 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-11-22 15:33:18,541 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-11-22 15:33:18,541 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,541 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,541 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,541 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,541 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,541 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,542 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,542 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-11-22 15:33:18,542 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:33:18,542 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,542 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,542 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-22 15:33:18,542 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-11-22 15:33:18,542 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-11-22 15:33:18,543 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-11-22 15:33:18,546 INFO L732 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] [2021-11-22 15:33:18,547 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:33:18,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:33:18 BoogieIcfgContainer [2021-11-22 15:33:18,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:33:18,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:33:18,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:33:18,576 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:33:18,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:31:58" (3/4) ... [2021-11-22 15:33:18,580 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 15:33:18,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-22 15:33:18,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 15:33:18,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 15:33:18,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 15:33:18,752 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 15:33:18,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:33:18,753 INFO L158 Benchmark]: Toolchain (without parser) took 83256.14ms. Allocated memory was 98.6MB in the beginning and 947.9MB in the end (delta: 849.3MB). Free memory was 61.0MB in the beginning and 534.8MB in the end (delta: -473.8MB). Peak memory consumption was 376.8MB. Max. memory is 16.1GB. [2021-11-22 15:33:18,753 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:33:18,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.38ms. Allocated memory is still 98.6MB. Free memory was 60.8MB in the beginning and 40.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 15:33:18,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.41ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 40.7MB in the beginning and 81.1MB in the end (delta: -40.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-22 15:33:18,754 INFO L158 Benchmark]: Boogie Preprocessor took 125.69ms. Allocated memory is still 121.6MB. Free memory was 81.1MB in the beginning and 71.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:33:18,755 INFO L158 Benchmark]: RCFGBuilder took 1817.26ms. Allocated memory is still 121.6MB. Free memory was 71.4MB in the beginning and 81.0MB in the end (delta: -9.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-22 15:33:18,755 INFO L158 Benchmark]: TraceAbstraction took 80085.00ms. Allocated memory was 121.6MB in the beginning and 947.9MB in the end (delta: 826.3MB). Free memory was 81.0MB in the beginning and 559.7MB in the end (delta: -478.7MB). Peak memory consumption was 697.2MB. Max. memory is 16.1GB. [2021-11-22 15:33:18,755 INFO L158 Benchmark]: Witness Printer took 176.19ms. Allocated memory is still 947.9MB. Free memory was 559.7MB in the beginning and 534.8MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-22 15:33:18,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.38ms. Allocated memory is still 98.6MB. Free memory was 60.8MB in the beginning and 40.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 190.41ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 40.7MB in the beginning and 81.1MB in the end (delta: -40.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.69ms. Allocated memory is still 121.6MB. Free memory was 81.1MB in the beginning and 71.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1817.26ms. Allocated memory is still 121.6MB. Free memory was 71.4MB in the beginning and 81.0MB in the end (delta: -9.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 80085.00ms. Allocated memory was 121.6MB in the beginning and 947.9MB in the end (delta: 826.3MB). Free memory was 81.0MB in the beginning and 559.7MB in the end (delta: -478.7MB). Peak memory consumption was 697.2MB. Max. memory is 16.1GB. * Witness Printer took 176.19ms. Allocated memory is still 947.9MB. Free memory was 559.7MB in the beginning and 534.8MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * 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: 100]: 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: 80.0s, OverallIterations: 24, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 27.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 35.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5258 SdHoareTripleChecker+Valid, 24.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5258 mSDsluCounter, 4945 SdHoareTripleChecker+Invalid, 20.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 794 mSDsCounter, 3346 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20840 IncrementalHoareTripleChecker+Invalid, 24186 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3346 mSolverCounterUnsat, 4151 mSDtfsCounter, 20840 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 924 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17910occurred in iteration=23, InterpolantAutomatonStates: 115, 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, 24079 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 267 NumberOfFragments, 899 HoareAnnotationTreeSize, 3 FomulaSimplifications, 14422 FormulaSimplificationTreeSizeReduction, 24.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 232034 FormulaSimplificationTreeSizeReductionInter, 11.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 9348 NumberOfCodeBlocks, 9348 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 9730 ConstructedInterpolants, 0 QuantifiedInterpolants, 33066 SizeOfPredicates, 1 NumberOfNonLiveVariables, 556 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 26 InterpolantComputations, 23 PerfectInterpolantSequences, 12176/12426 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: ((((((((((((((((((((((((((((a25 == 13 && a23 <= 278) && 99912 <= a29) && 0 < a23 + 43) && a4 == 1) || ((((a25 == 12 && ((a29 <= 277 || a23 <= 306) || !(a25 == 12))) && a4 == 0) && a29 <= 599998) && 130 <= a29)) || (((((a29 <= 277 || a23 <= 306) || !(a25 == 12)) && a4 == 1) && 99915 <= a29) && (!(a25 == 13) || a23 <= 306))) || (((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && a23 <= 138)) || ((((a23 + 43 <= 0 && 261 <= a29) && a4 == 0) && a25 <= 10) && a29 <= 599998)) || (((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a23 <= 138)) || ((a25 <= 10 && a4 == 1) && a25 == 10)) || (((a25 == 13 && 307 <= a23) && a29 <= 599998) && a4 == 1)) || (((a25 == 11 && 0 < a23 + 43) && a4 == 1) && a23 <= 312)) || ((((a23 <= 278 && a29 + 22 <= 0) && 0 < a23 + 43) && a29 <= 245) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 1) && ((140 < a29 || 0 < a23 + 43) || !(a25 == 9)))) || (((a4 == 0 && a29 + 22 <= 0) && 0 <= a29 + 28553) && a25 == 10)) || ((((261 <= a29 && a4 == 0) && a25 == 11) && a29 <= 599998) && 119992 + a23 <= 0)) || (((a4 == 0 && a25 <= 10) && a29 <= 599998) && 99915 <= a29)) || ((a25 == 11 && a4 == 1) && 130 <= a29)) || (((a25 == 12 && ((a29 <= 277 || a23 <= 306) || !(a25 == 12))) && a4 == 1) && 130 <= a29)) || (((a4 == 0 && 0 < a23 + 43) && a29 <= 274) && a23 <= 138)) || (((a4 == 0 && a25 == 11) && a29 <= 245) && 119992 + a23 <= 0)) || ((((a29 <= 245 && a23 <= 138) && a4 == 1) && ((140 < a29 || 0 < a23 + 43) || !(a25 == 9))) && 130 <= a29)) || ((a25 == 12 && a4 == 0) && a29 + 22 <= 0)) || ((a23 <= 278 && a25 == 12) && a4 == 1)) || (((a4 == 0 && a25 == 11) && a29 + 22 <= 0) && a23 <= 138)) || (((a25 <= 10 && a4 == 1) && ((140 < a29 || 0 < a23 + 43) || !(a25 == 9))) && 130 <= a29)) || (((a25 == 13 && 0 < a23 + 43) && a29 <= 245) && a4 == 1)) || ((((a25 == 13 && a4 == 0) && a29 <= 274) && a23 <= 138) && 130 <= a29)) || ((((((!(input == 1) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a25 == 13 && a23 <= 278) && 99912 <= a29) && 0 < a23 + 43) && a4 == 1) || ((((a25 == 12 && ((a29 <= 277 || a23 <= 306) || !(a25 == 12))) && a4 == 0) && a29 <= 599998) && 130 <= a29)) || (((((a29 <= 277 || a23 <= 306) || !(a25 == 12)) && a4 == 1) && 99915 <= a29) && (!(a25 == 13) || a23 <= 306))) || (((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && a23 <= 138)) || ((((a23 + 43 <= 0 && 261 <= a29) && a4 == 0) && a25 <= 10) && a29 <= 599998)) || (((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a23 <= 138)) || ((a25 <= 10 && a4 == 1) && a25 == 10)) || (((a25 == 13 && 307 <= a23) && a29 <= 599998) && a4 == 1)) || (((a25 == 11 && 0 < a23 + 43) && a4 == 1) && a23 <= 312)) || ((((a23 <= 278 && a29 + 22 <= 0) && 0 < a23 + 43) && a29 <= 245) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 1) && ((140 < a29 || 0 < a23 + 43) || !(a25 == 9)))) || (((a4 == 0 && a29 + 22 <= 0) && 0 <= a29 + 28553) && a25 == 10)) || ((((261 <= a29 && a4 == 0) && a25 == 11) && a29 <= 599998) && 119992 + a23 <= 0)) || (((a4 == 0 && a25 <= 10) && a29 <= 599998) && 99915 <= a29)) || ((a25 == 11 && a4 == 1) && 130 <= a29)) || (((a25 == 12 && ((a29 <= 277 || a23 <= 306) || !(a25 == 12))) && a4 == 1) && 130 <= a29)) || (((a4 == 0 && 0 < a23 + 43) && a29 <= 274) && a23 <= 138)) || (((a4 == 0 && a25 == 11) && a29 <= 245) && 119992 + a23 <= 0)) || ((((a29 <= 245 && a23 <= 138) && a4 == 1) && ((140 < a29 || 0 < a23 + 43) || !(a25 == 9))) && 130 <= a29)) || ((a25 == 12 && a4 == 0) && a29 + 22 <= 0)) || ((a23 <= 278 && a25 == 12) && a4 == 1)) || (((a4 == 0 && a25 == 11) && a29 + 22 <= 0) && a23 <= 138)) || (((a25 <= 10 && a4 == 1) && ((140 < a29 || 0 < a23 + 43) || !(a25 == 9))) && 130 <= a29)) || (((a25 == 13 && 0 < a23 + 43) && a29 <= 245) && a4 == 1)) || ((((a25 == 13 && a4 == 0) && a29 <= 274) && a23 <= 138) && 130 <= a29)) || ((((((!(input == 1) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-22 15:33:18,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b058a-1025-4de5-ac93-c54abcd6adec/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE