./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f869ff34b8d1fc9233da1bce651f8bc007d942cb0a36d4a975409aebb2d888b1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:25:37,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:25:37,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:25:37,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:25:37,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:25:37,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:25:37,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:25:37,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:25:37,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:25:37,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:25:37,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:25:37,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:25:37,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:25:37,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:25:37,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:25:37,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:25:37,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:25:37,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:25:37,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:25:37,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:25:37,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:25:37,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:25:37,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:25:37,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:25:37,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:25:37,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:25:37,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:25:37,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:25:37,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:25:37,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:25:37,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:25:37,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:25:37,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:25:37,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:25:37,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:25:37,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:25:37,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:25:37,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:25:37,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:25:37,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:25:37,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:25:37,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:25:37,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:25:37,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:25:37,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:25:37,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:25:37,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:25:37,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:25:37,305 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:25:37,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:25:37,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:25:37,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:25:37,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:25:37,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:25:37,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:25:37,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:25:37,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:25:37,308 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:25:37,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:25:37,308 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:25:37,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:25:37,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:25:37,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:25:37,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:25:37,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:25:37,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:25:37,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:25:37,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:25:37,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:25:37,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:25:37,312 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:25:37,312 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:25:37,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:25:37,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:25:37,313 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_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f869ff34b8d1fc9233da1bce651f8bc007d942cb0a36d4a975409aebb2d888b1 [2021-10-28 23:25:37,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:25:37,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:25:37,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:25:37,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:25:37,731 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:25:37,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem11_label23.c [2021-10-28 23:25:37,847 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/data/67da4f3d8/d4a8e097406143c49db58c651d3efc95/FLAGe53ba237f [2021-10-28 23:25:38,680 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:25:38,681 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/sv-benchmarks/c/eca-rers2012/Problem11_label23.c [2021-10-28 23:25:38,698 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/data/67da4f3d8/d4a8e097406143c49db58c651d3efc95/FLAGe53ba237f [2021-10-28 23:25:38,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/data/67da4f3d8/d4a8e097406143c49db58c651d3efc95 [2021-10-28 23:25:38,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:25:38,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:25:38,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:25:38,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:25:38,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:25:38,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:25:38" (1/1) ... [2021-10-28 23:25:38,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf28fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:38, skipping insertion in model container [2021-10-28 23:25:38,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:25:38" (1/1) ... [2021-10-28 23:25:38,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:25:38,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:25:39,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/sv-benchmarks/c/eca-rers2012/Problem11_label23.c[9364,9377] [2021-10-28 23:25:39,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:25:39,777 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:25:39,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/sv-benchmarks/c/eca-rers2012/Problem11_label23.c[9364,9377] [2021-10-28 23:25:40,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:25:40,024 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:25:40,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40 WrapperNode [2021-10-28 23:25:40,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:25:40,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:25:40,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:25:40,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:25:40,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (1/1) ... [2021-10-28 23:25:40,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (1/1) ... [2021-10-28 23:25:40,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:25:40,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:25:40,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:25:40,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:25:40,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (1/1) ... [2021-10-28 23:25:40,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (1/1) ... [2021-10-28 23:25:40,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (1/1) ... [2021-10-28 23:25:40,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (1/1) ... [2021-10-28 23:25:40,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (1/1) ... [2021-10-28 23:25:40,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (1/1) ... [2021-10-28 23:25:40,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (1/1) ... [2021-10-28 23:25:40,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:25:40,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:25:40,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:25:40,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:25:40,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (1/1) ... [2021-10-28 23:25:40,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:25:40,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:25:40,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:25:40,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:25:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:25:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:25:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:25:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:25:42,818 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:25:42,818 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:25:42,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:42 BoogieIcfgContainer [2021-10-28 23:25:42,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:25:42,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:25:42,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:25:42,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:25:42,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:25:38" (1/3) ... [2021-10-28 23:25:42,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ac087c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:25:42, skipping insertion in model container [2021-10-28 23:25:42,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:40" (2/3) ... [2021-10-28 23:25:42,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ac087c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:25:42, skipping insertion in model container [2021-10-28 23:25:42,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:42" (3/3) ... [2021-10-28 23:25:42,839 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label23.c [2021-10-28 23:25:42,852 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:25:42,853 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:25:42,944 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:25:42,957 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:25:42,958 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:25:42,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-28 23:25:43,009 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:43,010 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:43,011 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:43,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:43,020 INFO L85 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2021-10-28 23:25:43,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:43,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001027033] [2021-10-28 23:25:43,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:43,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:43,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:43,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:43,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001027033] [2021-10-28 23:25:43,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001027033] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:43,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:43,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:25:43,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129707770] [2021-10-28 23:25:43,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:25:43,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:43,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:25:43,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:43,647 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 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:45,284 INFO L93 Difference]: Finished difference Result 769 states and 1360 transitions. [2021-10-28 23:25:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:25:45,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2021-10-28 23:25:45,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:45,305 INFO L225 Difference]: With dead ends: 769 [2021-10-28 23:25:45,305 INFO L226 Difference]: Without dead ends: 422 [2021-10-28 23:25:45,310 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:45,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-10-28 23:25:45,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2021-10-28 23:25:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.5231143552311435) internal successors, (626), 411 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:45,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2021-10-28 23:25:45,402 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 65 [2021-10-28 23:25:45,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:45,403 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2021-10-28 23:25:45,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:45,404 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2021-10-28 23:25:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-28 23:25:45,421 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:45,422 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:45,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:25:45,423 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:45,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:45,424 INFO L85 PathProgramCache]: Analyzing trace with hash -566112933, now seen corresponding path program 1 times [2021-10-28 23:25:45,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:45,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714437483] [2021-10-28 23:25:45,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:45,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:45,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:45,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714437483] [2021-10-28 23:25:45,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714437483] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:45,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:45,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:25:45,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273610501] [2021-10-28 23:25:45,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:25:45,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:45,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:25:45,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:45,665 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:46,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:46,804 INFO L93 Difference]: Finished difference Result 1194 states and 1821 transitions. [2021-10-28 23:25:46,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:25:46,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2021-10-28 23:25:46,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:46,813 INFO L225 Difference]: With dead ends: 1194 [2021-10-28 23:25:46,814 INFO L226 Difference]: Without dead ends: 784 [2021-10-28 23:25:46,816 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:46,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2021-10-28 23:25:46,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2021-10-28 23:25:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 1.3742017879948913) internal successors, (1076), 783 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1076 transitions. [2021-10-28 23:25:46,870 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1076 transitions. Word has length 131 [2021-10-28 23:25:46,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:46,871 INFO L470 AbstractCegarLoop]: Abstraction has 784 states and 1076 transitions. [2021-10-28 23:25:46,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:46,872 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1076 transitions. [2021-10-28 23:25:46,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-28 23:25:46,876 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:46,877 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:46,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:25:46,877 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:46,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:46,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1935044965, now seen corresponding path program 1 times [2021-10-28 23:25:46,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:46,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759362358] [2021-10-28 23:25:46,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:46,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:47,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:47,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759362358] [2021-10-28 23:25:47,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759362358] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:47,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:47,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:25:47,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788248665] [2021-10-28 23:25:47,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:25:47,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:47,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:25:47,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:47,085 INFO L87 Difference]: Start difference. First operand 784 states and 1076 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:48,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:48,124 INFO L93 Difference]: Finished difference Result 1936 states and 2599 transitions. [2021-10-28 23:25:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:25:48,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2021-10-28 23:25:48,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:48,134 INFO L225 Difference]: With dead ends: 1936 [2021-10-28 23:25:48,134 INFO L226 Difference]: Without dead ends: 1154 [2021-10-28 23:25:48,136 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:48,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2021-10-28 23:25:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1153. [2021-10-28 23:25:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.2699652777777777) internal successors, (1463), 1152 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1463 transitions. [2021-10-28 23:25:48,185 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1463 transitions. Word has length 135 [2021-10-28 23:25:48,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:48,186 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 1463 transitions. [2021-10-28 23:25:48,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:48,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1463 transitions. [2021-10-28 23:25:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-10-28 23:25:48,192 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:48,193 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:48,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:25:48,193 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:48,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:48,194 INFO L85 PathProgramCache]: Analyzing trace with hash -444441444, now seen corresponding path program 1 times [2021-10-28 23:25:48,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:48,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195243462] [2021-10-28 23:25:48,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:48,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:48,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:48,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195243462] [2021-10-28 23:25:48,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195243462] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:48,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:48,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:25:48,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161012571] [2021-10-28 23:25:48,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:25:48,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:48,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:25:48,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:48,398 INFO L87 Difference]: Start difference. First operand 1153 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:49,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:49,529 INFO L93 Difference]: Finished difference Result 2679 states and 3481 transitions. [2021-10-28 23:25:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:25:49,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 177 [2021-10-28 23:25:49,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:49,544 INFO L225 Difference]: With dead ends: 2679 [2021-10-28 23:25:49,544 INFO L226 Difference]: Without dead ends: 1712 [2021-10-28 23:25:49,546 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:49,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2021-10-28 23:25:49,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1521. [2021-10-28 23:25:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1520 states have (on average 1.255921052631579) internal successors, (1909), 1520 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1909 transitions. [2021-10-28 23:25:49,600 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1909 transitions. Word has length 177 [2021-10-28 23:25:49,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:49,601 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 1909 transitions. [2021-10-28 23:25:49,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1909 transitions. [2021-10-28 23:25:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-10-28 23:25:49,607 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:49,608 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:49,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:25:49,609 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:49,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:49,609 INFO L85 PathProgramCache]: Analyzing trace with hash 522290920, now seen corresponding path program 1 times [2021-10-28 23:25:49,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:49,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874889289] [2021-10-28 23:25:49,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:49,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-28 23:25:49,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:49,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874889289] [2021-10-28 23:25:49,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874889289] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:49,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:49,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:25:49,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448557593] [2021-10-28 23:25:49,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:25:49,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:49,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:25:49,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:49,837 INFO L87 Difference]: Start difference. First operand 1521 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:51,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:51,082 INFO L93 Difference]: Finished difference Result 3597 states and 4559 transitions. [2021-10-28 23:25:51,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:25:51,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 [2021-10-28 23:25:51,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:51,099 INFO L225 Difference]: With dead ends: 3597 [2021-10-28 23:25:51,100 INFO L226 Difference]: Without dead ends: 2078 [2021-10-28 23:25:51,102 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:51,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2021-10-28 23:25:51,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1889. [2021-10-28 23:25:51,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1888 states have (on average 1.2473516949152543) internal successors, (2355), 1888 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2355 transitions. [2021-10-28 23:25:51,162 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2355 transitions. Word has length 247 [2021-10-28 23:25:51,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:51,165 INFO L470 AbstractCegarLoop]: Abstraction has 1889 states and 2355 transitions. [2021-10-28 23:25:51,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2355 transitions. [2021-10-28 23:25:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-10-28 23:25:51,173 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:51,173 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:51,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:25:51,174 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:51,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:51,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1609653245, now seen corresponding path program 1 times [2021-10-28 23:25:51,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:51,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239729578] [2021-10-28 23:25:51,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:51,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:51,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:51,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239729578] [2021-10-28 23:25:51,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239729578] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:51,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:51,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:25:51,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225717122] [2021-10-28 23:25:51,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:25:51,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:51,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:25:51,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:51,440 INFO L87 Difference]: Start difference. First operand 1889 states and 2355 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:52,681 INFO L93 Difference]: Finished difference Result 5075 states and 6326 transitions. [2021-10-28 23:25:52,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:25:52,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 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 274 [2021-10-28 23:25:52,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:52,705 INFO L225 Difference]: With dead ends: 5075 [2021-10-28 23:25:52,706 INFO L226 Difference]: Without dead ends: 3188 [2021-10-28 23:25:52,709 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:52,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2021-10-28 23:25:52,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 3186. [2021-10-28 23:25:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 3185 states have (on average 1.2160125588697017) internal successors, (3873), 3185 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 3873 transitions. [2021-10-28 23:25:52,810 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 3873 transitions. Word has length 274 [2021-10-28 23:25:52,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:52,811 INFO L470 AbstractCegarLoop]: Abstraction has 3186 states and 3873 transitions. [2021-10-28 23:25:52,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:52,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 3873 transitions. [2021-10-28 23:25:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-10-28 23:25:52,820 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:52,820 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:52,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:25:52,821 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:52,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:52,822 INFO L85 PathProgramCache]: Analyzing trace with hash 328502846, now seen corresponding path program 1 times [2021-10-28 23:25:52,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:52,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572983995] [2021-10-28 23:25:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:52,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:53,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:53,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572983995] [2021-10-28 23:25:53,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572983995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:53,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:53,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:25:53,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835576369] [2021-10-28 23:25:53,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:25:53,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:53,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:25:53,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:25:53,073 INFO L87 Difference]: Start difference. First operand 3186 states and 3873 transitions. Second operand has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:55,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:55,155 INFO L93 Difference]: Finished difference Result 10433 states and 12706 transitions. [2021-10-28 23:25:55,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:25:55,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 280 [2021-10-28 23:25:55,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:55,208 INFO L225 Difference]: With dead ends: 10433 [2021-10-28 23:25:55,208 INFO L226 Difference]: Without dead ends: 7249 [2021-10-28 23:25:55,214 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:25:55,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7249 states. [2021-10-28 23:25:55,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7249 to 7242. [2021-10-28 23:25:55,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 7241 states have (on average 1.1959674078165998) internal successors, (8660), 7241 states have internal predecessors, (8660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:55,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 8660 transitions. [2021-10-28 23:25:55,453 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 8660 transitions. Word has length 280 [2021-10-28 23:25:55,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:55,454 INFO L470 AbstractCegarLoop]: Abstraction has 7242 states and 8660 transitions. [2021-10-28 23:25:55,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 8660 transitions. [2021-10-28 23:25:55,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-28 23:25:55,464 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:55,464 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:55,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:25:55,465 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:55,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:55,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1580395159, now seen corresponding path program 1 times [2021-10-28 23:25:55,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:55,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908432839] [2021-10-28 23:25:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:55,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:55,829 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 157 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:55,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:25:55,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908432839] [2021-10-28 23:25:55,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908432839] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:25:55,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773419716] [2021-10-28 23:25:55,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:55,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:25:55,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:25:55,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:25:55,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:25:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:56,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:25:56,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:25:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-28 23:25:57,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773419716] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:57,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:25:57,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-28 23:25:57,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744581308] [2021-10-28 23:25:57,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:25:57,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:25:57,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:25:57,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:25:57,446 INFO L87 Difference]: Start difference. First operand 7242 states and 8660 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:59,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:59,133 INFO L93 Difference]: Finished difference Result 19470 states and 23084 transitions. [2021-10-28 23:25:59,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:25:59,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 283 [2021-10-28 23:25:59,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:59,220 INFO L225 Difference]: With dead ends: 19470 [2021-10-28 23:25:59,221 INFO L226 Difference]: Without dead ends: 12598 [2021-10-28 23:25:59,233 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:25:59,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12598 states. [2021-10-28 23:25:59,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12598 to 10010. [2021-10-28 23:25:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10010 states, 10009 states have (on average 1.1815366170446597) internal successors, (11826), 10009 states have internal predecessors, (11826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10010 states to 10010 states and 11826 transitions. [2021-10-28 23:25:59,634 INFO L78 Accepts]: Start accepts. Automaton has 10010 states and 11826 transitions. Word has length 283 [2021-10-28 23:25:59,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:59,635 INFO L470 AbstractCegarLoop]: Abstraction has 10010 states and 11826 transitions. [2021-10-28 23:25:59,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:25:59,635 INFO L276 IsEmpty]: Start isEmpty. Operand 10010 states and 11826 transitions. [2021-10-28 23:25:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-10-28 23:25:59,646 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:59,647 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:59,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:25:59,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-28 23:25:59,866 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:25:59,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:59,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1984989751, now seen corresponding path program 1 times [2021-10-28 23:25:59,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:25:59,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261675402] [2021-10-28 23:25:59,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:59,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:25:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-10-28 23:26:00,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:00,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261675402] [2021-10-28 23:26:00,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261675402] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:00,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:26:00,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:26:00,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313808234] [2021-10-28 23:26:00,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:00,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:00,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:00,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:00,078 INFO L87 Difference]: Start difference. First operand 10010 states and 11826 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:01,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:01,179 INFO L93 Difference]: Finished difference Result 19648 states and 23262 transitions. [2021-10-28 23:26:01,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:01,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 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 295 [2021-10-28 23:26:01,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:01,318 INFO L225 Difference]: With dead ends: 19648 [2021-10-28 23:26:01,319 INFO L226 Difference]: Without dead ends: 10008 [2021-10-28 23:26:01,331 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:01,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10008 states. [2021-10-28 23:26:01,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10008 to 10008. [2021-10-28 23:26:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10008 states, 10007 states have (on average 1.1504946537423804) internal successors, (11513), 10007 states have internal predecessors, (11513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10008 states to 10008 states and 11513 transitions. [2021-10-28 23:26:01,571 INFO L78 Accepts]: Start accepts. Automaton has 10008 states and 11513 transitions. Word has length 295 [2021-10-28 23:26:01,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:01,572 INFO L470 AbstractCegarLoop]: Abstraction has 10008 states and 11513 transitions. [2021-10-28 23:26:01,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 10008 states and 11513 transitions. [2021-10-28 23:26:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-10-28 23:26:01,584 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:01,585 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:01,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:26:01,586 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:01,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:01,586 INFO L85 PathProgramCache]: Analyzing trace with hash 286412562, now seen corresponding path program 1 times [2021-10-28 23:26:01,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:01,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951209536] [2021-10-28 23:26:01,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:01,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 125 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:01,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:01,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951209536] [2021-10-28 23:26:01,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951209536] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:01,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220670520] [2021-10-28 23:26:01,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:01,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:01,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:01,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:01,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:26:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:02,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:26:02,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:03,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220670520] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:03,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:26:03,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:26:03,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914279106] [2021-10-28 23:26:03,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:03,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:03,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:03,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:03,582 INFO L87 Difference]: Start difference. First operand 10008 states and 11513 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) [2021-10-28 23:26:04,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:04,668 INFO L93 Difference]: Finished difference Result 20579 states and 23715 transitions. [2021-10-28 23:26:04,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:04,669 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 [2021-10-28 23:26:04,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:04,698 INFO L225 Difference]: With dead ends: 20579 [2021-10-28 23:26:04,698 INFO L226 Difference]: Without dead ends: 10941 [2021-10-28 23:26:04,712 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:04,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10941 states. [2021-10-28 23:26:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10941 to 10934. [2021-10-28 23:26:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10934 states, 10933 states have (on average 1.14790085063569) internal successors, (12550), 10933 states have internal predecessors, (12550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10934 states to 10934 states and 12550 transitions. [2021-10-28 23:26:04,984 INFO L78 Accepts]: Start accepts. Automaton has 10934 states and 12550 transitions. Word has length 298 [2021-10-28 23:26:04,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:04,985 INFO L470 AbstractCegarLoop]: Abstraction has 10934 states and 12550 transitions. [2021-10-28 23:26:04,985 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) [2021-10-28 23:26:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 10934 states and 12550 transitions. [2021-10-28 23:26:04,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-10-28 23:26:04,997 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:04,998 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:05,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:05,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 23:26:05,214 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:05,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:05,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1382301666, now seen corresponding path program 1 times [2021-10-28 23:26:05,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:05,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784723847] [2021-10-28 23:26:05,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:05,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-28 23:26:05,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:05,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784723847] [2021-10-28 23:26:05,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784723847] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:05,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292804368] [2021-10-28 23:26:05,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:05,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:05,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:05,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:05,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:26:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:05,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:26:05,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-28 23:26:07,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292804368] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:07,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:07,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-10-28 23:26:07,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134551476] [2021-10-28 23:26:07,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:26:07,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:07,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:26:07,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:26:07,058 INFO L87 Difference]: Start difference. First operand 10934 states and 12550 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:08,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:08,423 INFO L93 Difference]: Finished difference Result 25372 states and 29134 transitions. [2021-10-28 23:26:08,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:26:08,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 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 303 [2021-10-28 23:26:08,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:08,458 INFO L225 Difference]: With dead ends: 25372 [2021-10-28 23:26:08,458 INFO L226 Difference]: Without dead ends: 14808 [2021-10-28 23:26:08,473 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:26:08,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14808 states. [2021-10-28 23:26:08,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14808 to 12406. [2021-10-28 23:26:08,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12406 states, 12405 states have (on average 1.1490528012898025) internal successors, (14254), 12405 states have internal predecessors, (14254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:08,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12406 states to 12406 states and 14254 transitions. [2021-10-28 23:26:08,790 INFO L78 Accepts]: Start accepts. Automaton has 12406 states and 14254 transitions. Word has length 303 [2021-10-28 23:26:08,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:08,791 INFO L470 AbstractCegarLoop]: Abstraction has 12406 states and 14254 transitions. [2021-10-28 23:26:08,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 12406 states and 14254 transitions. [2021-10-28 23:26:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-10-28 23:26:08,807 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:08,807 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:08,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:09,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:09,033 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:09,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:09,034 INFO L85 PathProgramCache]: Analyzing trace with hash -807971748, now seen corresponding path program 1 times [2021-10-28 23:26:09,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:09,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322083928] [2021-10-28 23:26:09,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:09,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 55 proven. 70 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-28 23:26:09,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:09,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322083928] [2021-10-28 23:26:09,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322083928] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:09,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764785151] [2021-10-28 23:26:09,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:09,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:09,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:09,358 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:09,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:26:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:09,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:26:09,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-28 23:26:10,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764785151] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:10,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:26:10,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:26:10,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820965009] [2021-10-28 23:26:10,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:10,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:10,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:10,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:10,950 INFO L87 Difference]: Start difference. First operand 12406 states and 14254 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:12,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:12,028 INFO L93 Difference]: Finished difference Result 27201 states and 31343 transitions. [2021-10-28 23:26:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:12,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 327 [2021-10-28 23:26:12,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:12,065 INFO L225 Difference]: With dead ends: 27201 [2021-10-28 23:26:12,065 INFO L226 Difference]: Without dead ends: 15165 [2021-10-28 23:26:12,083 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:12,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15165 states. [2021-10-28 23:26:12,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15165 to 14061. [2021-10-28 23:26:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14061 states, 14060 states have (on average 1.141180654338549) internal successors, (16045), 14060 states have internal predecessors, (16045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14061 states to 14061 states and 16045 transitions. [2021-10-28 23:26:12,495 INFO L78 Accepts]: Start accepts. Automaton has 14061 states and 16045 transitions. Word has length 327 [2021-10-28 23:26:12,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:12,496 INFO L470 AbstractCegarLoop]: Abstraction has 14061 states and 16045 transitions. [2021-10-28 23:26:12,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 14061 states and 16045 transitions. [2021-10-28 23:26:12,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-10-28 23:26:12,514 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:12,514 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:12,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:12,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:12,736 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:12,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:12,737 INFO L85 PathProgramCache]: Analyzing trace with hash 332634922, now seen corresponding path program 1 times [2021-10-28 23:26:12,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:12,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217119262] [2021-10-28 23:26:12,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:12,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 281 proven. 27 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-10-28 23:26:13,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:13,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217119262] [2021-10-28 23:26:13,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217119262] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:13,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219314345] [2021-10-28 23:26:13,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:13,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:13,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:13,133 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:13,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 23:26:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:13,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:26:13,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-28 23:26:15,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219314345] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:15,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:26:15,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:26:15,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085485198] [2021-10-28 23:26:15,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:15,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:15,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:15,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:15,434 INFO L87 Difference]: Start difference. First operand 14061 states and 16045 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:16,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:16,396 INFO L93 Difference]: Finished difference Result 29601 states and 33802 transitions. [2021-10-28 23:26:16,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:16,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 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 352 [2021-10-28 23:26:16,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:16,442 INFO L225 Difference]: With dead ends: 29601 [2021-10-28 23:26:16,443 INFO L226 Difference]: Without dead ends: 15910 [2021-10-28 23:26:16,458 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:16,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15910 states. [2021-10-28 23:26:16,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15910 to 14803. [2021-10-28 23:26:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14803 states, 14802 states have (on average 1.1375489798675855) internal successors, (16838), 14802 states have internal predecessors, (16838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14803 states to 14803 states and 16838 transitions. [2021-10-28 23:26:16,832 INFO L78 Accepts]: Start accepts. Automaton has 14803 states and 16838 transitions. Word has length 352 [2021-10-28 23:26:16,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:16,833 INFO L470 AbstractCegarLoop]: Abstraction has 14803 states and 16838 transitions. [2021-10-28 23:26:16,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 14803 states and 16838 transitions. [2021-10-28 23:26:16,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-10-28 23:26:16,855 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:16,856 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:16,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:17,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:17,082 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:17,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:17,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1737705753, now seen corresponding path program 1 times [2021-10-28 23:26:17,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:17,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487077401] [2021-10-28 23:26:17,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:17,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:17,443 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 208 proven. 168 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-28 23:26:17,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:17,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487077401] [2021-10-28 23:26:17,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487077401] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:17,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255814154] [2021-10-28 23:26:17,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:17,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:17,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:17,446 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:17,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 23:26:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:18,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:26:18,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-10-28 23:26:19,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255814154] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:19,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:26:19,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:26:19,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65110285] [2021-10-28 23:26:19,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:19,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:19,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:19,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:19,855 INFO L87 Difference]: Start difference. First operand 14803 states and 16838 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:20,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:20,756 INFO L93 Difference]: Finished difference Result 29606 states and 33670 transitions. [2021-10-28 23:26:20,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:20,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 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 373 [2021-10-28 23:26:20,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:20,787 INFO L225 Difference]: With dead ends: 29606 [2021-10-28 23:26:20,787 INFO L226 Difference]: Without dead ends: 14805 [2021-10-28 23:26:20,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:20,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14805 states. [2021-10-28 23:26:21,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14805 to 13699. [2021-10-28 23:26:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13699 states, 13698 states have (on average 1.1317710614688277) internal successors, (15503), 13698 states have internal predecessors, (15503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13699 states to 13699 states and 15503 transitions. [2021-10-28 23:26:21,119 INFO L78 Accepts]: Start accepts. Automaton has 13699 states and 15503 transitions. Word has length 373 [2021-10-28 23:26:21,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:21,120 INFO L470 AbstractCegarLoop]: Abstraction has 13699 states and 15503 transitions. [2021-10-28 23:26:21,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:21,120 INFO L276 IsEmpty]: Start isEmpty. Operand 13699 states and 15503 transitions. [2021-10-28 23:26:21,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2021-10-28 23:26:21,144 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:21,145 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:21,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:21,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:21,370 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:21,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:21,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1768080256, now seen corresponding path program 1 times [2021-10-28 23:26:21,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:21,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952256109] [2021-10-28 23:26:21,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:21,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 389 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-10-28 23:26:21,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:21,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952256109] [2021-10-28 23:26:21,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952256109] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:21,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:26:21,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:26:21,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593453052] [2021-10-28 23:26:21,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:21,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:21,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:21,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:21,635 INFO L87 Difference]: Start difference. First operand 13699 states and 15503 transitions. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:22,769 INFO L93 Difference]: Finished difference Result 26844 states and 30408 transitions. [2021-10-28 23:26:22,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:22,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 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 396 [2021-10-28 23:26:22,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:22,789 INFO L225 Difference]: With dead ends: 26844 [2021-10-28 23:26:22,789 INFO L226 Difference]: Without dead ends: 13331 [2021-10-28 23:26:22,798 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:22,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13331 states. [2021-10-28 23:26:22,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13331 to 13326. [2021-10-28 23:26:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13326 states, 13325 states have (on average 1.1079174484052532) internal successors, (14763), 13325 states have internal predecessors, (14763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13326 states to 13326 states and 14763 transitions. [2021-10-28 23:26:23,003 INFO L78 Accepts]: Start accepts. Automaton has 13326 states and 14763 transitions. Word has length 396 [2021-10-28 23:26:23,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:23,004 INFO L470 AbstractCegarLoop]: Abstraction has 13326 states and 14763 transitions. [2021-10-28 23:26:23,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 13326 states and 14763 transitions. [2021-10-28 23:26:23,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-10-28 23:26:23,023 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:23,024 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:23,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:26:23,024 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:23,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:23,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1305312854, now seen corresponding path program 1 times [2021-10-28 23:26:23,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:23,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107492086] [2021-10-28 23:26:23,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:23,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-10-28 23:26:23,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:23,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107492086] [2021-10-28 23:26:23,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107492086] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:23,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:26:23,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:26:23,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514558498] [2021-10-28 23:26:23,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:23,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:23,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:23,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:23,263 INFO L87 Difference]: Start difference. First operand 13326 states and 14763 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:24,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:24,231 INFO L93 Difference]: Finished difference Result 26472 states and 29366 transitions. [2021-10-28 23:26:24,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:24,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 401 [2021-10-28 23:26:24,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:24,261 INFO L225 Difference]: With dead ends: 26472 [2021-10-28 23:26:24,261 INFO L226 Difference]: Without dead ends: 13516 [2021-10-28 23:26:24,271 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:24,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13516 states. [2021-10-28 23:26:24,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13516 to 13512. [2021-10-28 23:26:24,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13512 states, 13511 states have (on average 1.107393975279402) internal successors, (14962), 13511 states have internal predecessors, (14962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13512 states to 13512 states and 14962 transitions. [2021-10-28 23:26:24,630 INFO L78 Accepts]: Start accepts. Automaton has 13512 states and 14962 transitions. Word has length 401 [2021-10-28 23:26:24,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:24,630 INFO L470 AbstractCegarLoop]: Abstraction has 13512 states and 14962 transitions. [2021-10-28 23:26:24,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 13512 states and 14962 transitions. [2021-10-28 23:26:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-10-28 23:26:24,653 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:24,653 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:24,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 23:26:24,654 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:24,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:24,655 INFO L85 PathProgramCache]: Analyzing trace with hash -764587049, now seen corresponding path program 1 times [2021-10-28 23:26:24,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:24,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800238440] [2021-10-28 23:26:24,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:24,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 188 proven. 211 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-28 23:26:24,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:24,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800238440] [2021-10-28 23:26:24,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800238440] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:24,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494464633] [2021-10-28 23:26:24,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:24,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:24,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:24,950 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:24,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 23:26:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:26,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:26:26,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 399 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-28 23:26:27,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494464633] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:27,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:26:27,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:26:27,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524489740] [2021-10-28 23:26:27,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:27,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:27,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:27,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:27,553 INFO L87 Difference]: Start difference. First operand 13512 states and 14962 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:28,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:28,461 INFO L93 Difference]: Finished difference Result 30180 states and 33558 transitions. [2021-10-28 23:26:28,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:28,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 410 [2021-10-28 23:26:28,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:28,478 INFO L225 Difference]: With dead ends: 30180 [2021-10-28 23:26:28,478 INFO L226 Difference]: Without dead ends: 17038 [2021-10-28 23:26:28,488 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:26:28,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17038 states. [2021-10-28 23:26:28,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17038 to 15737. [2021-10-28 23:26:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15737 states, 15736 states have (on average 1.1101931875953228) internal successors, (17470), 15736 states have internal predecessors, (17470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15737 states to 15737 states and 17470 transitions. [2021-10-28 23:26:28,756 INFO L78 Accepts]: Start accepts. Automaton has 15737 states and 17470 transitions. Word has length 410 [2021-10-28 23:26:28,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:28,757 INFO L470 AbstractCegarLoop]: Abstraction has 15737 states and 17470 transitions. [2021-10-28 23:26:28,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 15737 states and 17470 transitions. [2021-10-28 23:26:28,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-10-28 23:26:28,777 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:28,778 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-10-28 23:26:28,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:28,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-28 23:26:28,994 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:28,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:28,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1745485911, now seen corresponding path program 1 times [2021-10-28 23:26:28,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:28,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136130138] [2021-10-28 23:26:28,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:28,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-10-28 23:26:29,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:29,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136130138] [2021-10-28 23:26:29,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136130138] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:29,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:26:29,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:26:29,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583590739] [2021-10-28 23:26:29,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:29,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:29,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:29,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:29,357 INFO L87 Difference]: Start difference. First operand 15737 states and 17470 transitions. Second operand has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:30,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:30,678 INFO L93 Difference]: Finished difference Result 34238 states and 38003 transitions. [2021-10-28 23:26:30,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:30,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 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 420 [2021-10-28 23:26:30,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:30,703 INFO L225 Difference]: With dead ends: 34238 [2021-10-28 23:26:30,704 INFO L226 Difference]: Without dead ends: 18871 [2021-10-28 23:26:30,717 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:30,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18871 states. [2021-10-28 23:26:30,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18871 to 18307. [2021-10-28 23:26:30,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18307 states, 18306 states have (on average 1.101933792199279) internal successors, (20172), 18306 states have internal predecessors, (20172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18307 states to 18307 states and 20172 transitions. [2021-10-28 23:26:31,032 INFO L78 Accepts]: Start accepts. Automaton has 18307 states and 20172 transitions. Word has length 420 [2021-10-28 23:26:31,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:31,032 INFO L470 AbstractCegarLoop]: Abstraction has 18307 states and 20172 transitions. [2021-10-28 23:26:31,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 18307 states and 20172 transitions. [2021-10-28 23:26:31,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-10-28 23:26:31,052 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:31,053 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:31,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 23:26:31,054 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:31,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:31,055 INFO L85 PathProgramCache]: Analyzing trace with hash 417403016, now seen corresponding path program 1 times [2021-10-28 23:26:31,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:31,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985276102] [2021-10-28 23:26:31,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:31,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-28 23:26:31,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:31,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985276102] [2021-10-28 23:26:31,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985276102] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:31,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:26:31,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:26:31,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879948171] [2021-10-28 23:26:31,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:26:31,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:31,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:26:31,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:26:31,329 INFO L87 Difference]: Start difference. First operand 18307 states and 20172 transitions. Second operand has 4 states, 4 states have (on average 79.75) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:32,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:32,947 INFO L93 Difference]: Finished difference Result 44556 states and 49045 transitions. [2021-10-28 23:26:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:26:32,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.75) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 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 429 [2021-10-28 23:26:32,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:32,973 INFO L225 Difference]: With dead ends: 44556 [2021-10-28 23:26:32,973 INFO L226 Difference]: Without dead ends: 26619 [2021-10-28 23:26:32,983 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:26:33,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26619 states. [2021-10-28 23:26:33,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26619 to 24023. [2021-10-28 23:26:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24023 states, 24022 states have (on average 1.0986179335609025) internal successors, (26391), 24022 states have internal predecessors, (26391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:33,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24023 states to 24023 states and 26391 transitions. [2021-10-28 23:26:33,287 INFO L78 Accepts]: Start accepts. Automaton has 24023 states and 26391 transitions. Word has length 429 [2021-10-28 23:26:33,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:33,288 INFO L470 AbstractCegarLoop]: Abstraction has 24023 states and 26391 transitions. [2021-10-28 23:26:33,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.75) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:33,288 INFO L276 IsEmpty]: Start isEmpty. Operand 24023 states and 26391 transitions. [2021-10-28 23:26:33,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2021-10-28 23:26:33,303 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:33,304 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:33,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 23:26:33,304 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:33,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:33,305 INFO L85 PathProgramCache]: Analyzing trace with hash 890840300, now seen corresponding path program 1 times [2021-10-28 23:26:33,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:33,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416899669] [2021-10-28 23:26:33,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:33,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 188 proven. 229 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-10-28 23:26:33,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:33,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416899669] [2021-10-28 23:26:33,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416899669] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:33,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676316387] [2021-10-28 23:26:33,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:33,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:33,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:33,570 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:33,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 23:26:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:34,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 23:26:34,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 293 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:39,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676316387] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:39,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:26:39,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-10-28 23:26:39,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176043611] [2021-10-28 23:26:39,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:26:39,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:39,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:26:39,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:26:39,044 INFO L87 Difference]: Start difference. First operand 24023 states and 26391 transitions. Second operand has 9 states, 9 states have (on average 84.22222222222223) internal successors, (758), 8 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:44,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:44,538 INFO L93 Difference]: Finished difference Result 63978 states and 70135 transitions. [2021-10-28 23:26:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-28 23:26:44,539 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 84.22222222222223) internal successors, (758), 8 states have internal predecessors, (758), 0 states have call successors, (0), 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 432 [2021-10-28 23:26:44,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:44,576 INFO L225 Difference]: With dead ends: 63978 [2021-10-28 23:26:44,576 INFO L226 Difference]: Without dead ends: 40325 [2021-10-28 23:26:44,589 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2021-10-28 23:26:44,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40325 states. [2021-10-28 23:26:44,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40325 to 32478. [2021-10-28 23:26:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32478 states, 32477 states have (on average 1.0948671367429257) internal successors, (35558), 32477 states have internal predecessors, (35558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:45,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32478 states to 32478 states and 35558 transitions. [2021-10-28 23:26:45,020 INFO L78 Accepts]: Start accepts. Automaton has 32478 states and 35558 transitions. Word has length 432 [2021-10-28 23:26:45,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:45,021 INFO L470 AbstractCegarLoop]: Abstraction has 32478 states and 35558 transitions. [2021-10-28 23:26:45,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 84.22222222222223) internal successors, (758), 8 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:45,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32478 states and 35558 transitions. [2021-10-28 23:26:45,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-10-28 23:26:45,040 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:45,041 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:45,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-10-28 23:26:45,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-10-28 23:26:45,244 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:45,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash -482780604, now seen corresponding path program 1 times [2021-10-28 23:26:45,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:45,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022088751] [2021-10-28 23:26:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:45,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:45,747 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 525 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:26:45,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:45,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022088751] [2021-10-28 23:26:45,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022088751] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:45,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941461994] [2021-10-28 23:26:45,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:45,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:45,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:45,750 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:45,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 23:26:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:47,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:26:47,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:49,337 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-28 23:26:49,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941461994] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:49,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:26:49,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-10-28 23:26:49,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232174612] [2021-10-28 23:26:49,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:49,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:49,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:49,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:26:49,341 INFO L87 Difference]: Start difference. First operand 32478 states and 35558 transitions. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:50,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:50,515 INFO L93 Difference]: Finished difference Result 63299 states and 69371 transitions. [2021-10-28 23:26:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:50,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 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 448 [2021-10-28 23:26:50,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:50,561 INFO L225 Difference]: With dead ends: 63299 [2021-10-28 23:26:50,561 INFO L226 Difference]: Without dead ends: 32849 [2021-10-28 23:26:50,575 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:26:50,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32849 states. [2021-10-28 23:26:50,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32849 to 32846. [2021-10-28 23:26:50,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32846 states, 32845 states have (on average 1.093438879585934) internal successors, (35914), 32845 states have internal predecessors, (35914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32846 states to 32846 states and 35914 transitions. [2021-10-28 23:26:50,954 INFO L78 Accepts]: Start accepts. Automaton has 32846 states and 35914 transitions. Word has length 448 [2021-10-28 23:26:50,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:50,955 INFO L470 AbstractCegarLoop]: Abstraction has 32846 states and 35914 transitions. [2021-10-28 23:26:50,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:50,955 INFO L276 IsEmpty]: Start isEmpty. Operand 32846 states and 35914 transitions. [2021-10-28 23:26:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-10-28 23:26:50,970 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:50,971 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:51,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:26:51,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:51,190 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:51,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:51,190 INFO L85 PathProgramCache]: Analyzing trace with hash 949033026, now seen corresponding path program 1 times [2021-10-28 23:26:51,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:51,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547473303] [2021-10-28 23:26:51,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:51,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 673 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-10-28 23:26:51,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:51,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547473303] [2021-10-28 23:26:51,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547473303] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:51,594 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:26:51,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:26:51,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232867707] [2021-10-28 23:26:51,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:26:51,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:51,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:26:51,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:26:51,599 INFO L87 Difference]: Start difference. First operand 32846 states and 35914 transitions. Second operand has 4 states, 4 states have (on average 90.25) internal successors, (361), 4 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:52,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:52,778 INFO L93 Difference]: Finished difference Result 65688 states and 71873 transitions. [2021-10-28 23:26:52,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:26:52,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.25) internal successors, (361), 4 states have internal predecessors, (361), 0 states have call successors, (0), 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 449 [2021-10-28 23:26:52,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:52,821 INFO L225 Difference]: With dead ends: 65688 [2021-10-28 23:26:52,821 INFO L226 Difference]: Without dead ends: 34318 [2021-10-28 23:26:52,836 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:26:52,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34318 states. [2021-10-28 23:26:53,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34318 to 31558. [2021-10-28 23:26:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31558 states, 31557 states have (on average 1.0883163798840194) internal successors, (34344), 31557 states have internal predecessors, (34344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31558 states to 31558 states and 34344 transitions. [2021-10-28 23:26:53,230 INFO L78 Accepts]: Start accepts. Automaton has 31558 states and 34344 transitions. Word has length 449 [2021-10-28 23:26:53,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:53,230 INFO L470 AbstractCegarLoop]: Abstraction has 31558 states and 34344 transitions. [2021-10-28 23:26:53,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.25) internal successors, (361), 4 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 31558 states and 34344 transitions. [2021-10-28 23:26:53,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2021-10-28 23:26:53,254 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:53,255 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:53,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 23:26:53,255 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:53,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:53,256 INFO L85 PathProgramCache]: Analyzing trace with hash -78633666, now seen corresponding path program 1 times [2021-10-28 23:26:53,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:53,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715367567] [2021-10-28 23:26:53,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:53,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 577 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-10-28 23:26:53,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:53,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715367567] [2021-10-28 23:26:53,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715367567] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:53,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:26:53,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:26:53,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268002976] [2021-10-28 23:26:53,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:26:53,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:53,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:26:53,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:53,545 INFO L87 Difference]: Start difference. First operand 31558 states and 34344 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:54,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:26:54,714 INFO L93 Difference]: Finished difference Result 61835 states and 67397 transitions. [2021-10-28 23:26:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:26:54,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 526 [2021-10-28 23:26:54,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:26:54,744 INFO L225 Difference]: With dead ends: 61835 [2021-10-28 23:26:54,744 INFO L226 Difference]: Without dead ends: 32305 [2021-10-28 23:26:54,752 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:26:54,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32305 states. [2021-10-28 23:26:55,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32305 to 31926. [2021-10-28 23:26:55,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31926 states, 31925 states have (on average 1.0868598277212216) internal successors, (34698), 31925 states have internal predecessors, (34698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:55,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31926 states to 31926 states and 34698 transitions. [2021-10-28 23:26:55,127 INFO L78 Accepts]: Start accepts. Automaton has 31926 states and 34698 transitions. Word has length 526 [2021-10-28 23:26:55,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:26:55,128 INFO L470 AbstractCegarLoop]: Abstraction has 31926 states and 34698 transitions. [2021-10-28 23:26:55,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:26:55,128 INFO L276 IsEmpty]: Start isEmpty. Operand 31926 states and 34698 transitions. [2021-10-28 23:26:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-10-28 23:26:55,149 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:26:55,149 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:26:55,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-28 23:26:55,150 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:26:55,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:26:55,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1235514717, now seen corresponding path program 1 times [2021-10-28 23:26:55,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:26:55,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602085771] [2021-10-28 23:26:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:55,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:26:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 574 proven. 3 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-10-28 23:26:55,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:26:55,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602085771] [2021-10-28 23:26:55,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602085771] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:26:55,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565933548] [2021-10-28 23:26:55,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:26:55,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:26:55,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:26:55,686 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:26:55,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 23:26:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:26:57,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:26:57,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:26:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 577 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-10-28 23:26:59,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565933548] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:26:59,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:26:59,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2021-10-28 23:26:59,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946497673] [2021-10-28 23:26:59,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:26:59,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:26:59,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:26:59,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:26:59,411 INFO L87 Difference]: Start difference. First operand 31926 states and 34698 transitions. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:27:00,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:27:00,925 INFO L93 Difference]: Finished difference Result 64391 states and 69994 transitions. [2021-10-28 23:27:00,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:27:00,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 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 527 [2021-10-28 23:27:00,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:27:00,962 INFO L225 Difference]: With dead ends: 64391 [2021-10-28 23:27:00,962 INFO L226 Difference]: Without dead ends: 32651 [2021-10-28 23:27:00,979 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:27:01,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32651 states. [2021-10-28 23:27:01,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32651 to 29707. [2021-10-28 23:27:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29707 states, 29706 states have (on average 1.0816333400659799) internal successors, (32131), 29706 states have internal predecessors, (32131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:27:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29707 states to 29707 states and 32131 transitions. [2021-10-28 23:27:01,565 INFO L78 Accepts]: Start accepts. Automaton has 29707 states and 32131 transitions. Word has length 527 [2021-10-28 23:27:01,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:27:01,565 INFO L470 AbstractCegarLoop]: Abstraction has 29707 states and 32131 transitions. [2021-10-28 23:27:01,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:27:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29707 states and 32131 transitions. [2021-10-28 23:27:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-10-28 23:27:01,583 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:27:01,583 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:27:01,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:01,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-28 23:27:01,784 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:27:01,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:27:01,785 INFO L85 PathProgramCache]: Analyzing trace with hash 200352003, now seen corresponding path program 1 times [2021-10-28 23:27:01,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:27:01,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829981067] [2021-10-28 23:27:01,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:27:01,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:27:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2021-10-28 23:27:02,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:27:02,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829981067] [2021-10-28 23:27:02,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829981067] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:27:02,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:27:02,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:27:02,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31991925] [2021-10-28 23:27:02,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:27:02,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:27:02,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:27:02,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:27:02,217 INFO L87 Difference]: Start difference. First operand 29707 states and 32131 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:27:03,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:27:03,264 INFO L93 Difference]: Finished difference Result 62921 states and 68063 transitions. [2021-10-28 23:27:03,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:27:03,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 554 [2021-10-28 23:27:03,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:27:03,265 INFO L225 Difference]: With dead ends: 62921 [2021-10-28 23:27:03,265 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:27:03,418 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:27:03,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:27:03,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:27:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:27:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:27:03,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 554 [2021-10-28 23:27:03,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:27:03,419 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:27:03,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:27:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:27:03,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:27:03,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:27:03,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-28 23:27:03,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:27:03,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:27:05,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:27:06,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:27:09,062 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-28 23:27:09,062 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,063 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,064 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,065 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,065 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,065 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,065 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,065 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-28 23:27:09,065 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-28 23:27:09,065 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-28 23:27:09,065 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,066 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,066 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,066 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse19 (+ ~a23~0 43)) (.cse9 (= ~a4~0 1))) (let ((.cse5 (<= 203 ~a29~0)) (.cse14 (<= ~a29~0 140)) (.cse0 (<= 0 (+ ~a23~0 599772))) (.cse11 (or (not (= 3 ULTIMATE.start_calculate_output_~input)) (< 140 ~a29~0) (< 0 .cse19) .cse9)) (.cse7 (not .cse9)) (.cse8 (<= ~a25~0 10)) (.cse10 (= ~a25~0 12)) (.cse18 (<= ~a4~0 0)) (.cse16 (= ~a25~0 10)) (.cse12 (= ~a25~0 13)) (.cse6 (<= .cse19 0)) (.cse13 (<= ~a29~0 245)) (.cse15 (<= 130 ~a29~0)) (.cse1 (= ~a25~0 11)) (.cse17 (<= 165 ~a23~0)) (.cse2 (= ~a3~0 1)) (.cse3 (<= ~a23~0 312)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse7 .cse4) (and .cse8 .cse2 .cse9 .cse4) (and .cse10 .cse0 .cse11 .cse2 .cse3 .cse4) (and .cse12 .cse13 .cse2 .cse9 .cse4 .cse5) (and .cse14 .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse9 .cse4 .cse15) (and .cse0 .cse14 .cse2 .cse3 .cse4 .cse16) (and .cse6 .cse10 .cse11 .cse2 .cse7 .cse4) (and .cse6 .cse0 .cse8 .cse2 .cse4) (and .cse10 .cse2 .cse9 (<= 312 ~a23~0) .cse4 .cse15) (and .cse12 .cse17 .cse2 .cse9 .cse4) (and .cse14 .cse2 .cse3 (<= ~a25~0 9) .cse4) (and .cse0 .cse14 .cse2 .cse4 .cse18 .cse16) (and .cse12 .cse0 .cse2 .cse7 .cse3 .cse4) (and .cse10 .cse11 .cse2 .cse4 .cse18) (and (<= 260 ~a29~0) .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse1 (<= ~a29~0 274) .cse2 .cse9 .cse4 .cse15) (and .cse6 .cse8 .cse9) (and .cse6 .cse8 (<= 10250 ~a29~0) .cse2 .cse4) (and .cse10 (< 371191 ~a23~0) .cse2 .cse9 .cse4) (and (<= 0 (+ (div (+ (- 28690) (* ~a29~0 (- 1))) 5) 49)) .cse2 .cse4 .cse18 .cse16) (and .cse12 .cse6 .cse13 .cse2 .cse9 .cse4 .cse15) (and .cse1 .cse17 .cse2 .cse9 .cse3 .cse4)))) [2021-10-28 23:27:09,066 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,067 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-28 23:27:09,067 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-28 23:27:09,067 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,067 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,067 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,067 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,067 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,068 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,068 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-28 23:27:09,068 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-28 23:27:09,068 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-28 23:27:09,068 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-28 23:27:09,068 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,068 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,069 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,069 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,069 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,069 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,069 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,069 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-28 23:27:09,070 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-28 23:27:09,070 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-28 23:27:09,070 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,070 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,070 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,070 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,070 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,071 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,071 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,071 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,071 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,071 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-28 23:27:09,071 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-28 23:27:09,072 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-28 23:27:09,072 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,072 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse19 (+ ~a23~0 43)) (.cse9 (= ~a4~0 1))) (let ((.cse5 (<= 203 ~a29~0)) (.cse14 (<= ~a29~0 140)) (.cse0 (<= 0 (+ ~a23~0 599772))) (.cse11 (or (not (= 3 ULTIMATE.start_calculate_output_~input)) (< 140 ~a29~0) (< 0 .cse19) .cse9)) (.cse7 (not .cse9)) (.cse8 (<= ~a25~0 10)) (.cse10 (= ~a25~0 12)) (.cse18 (<= ~a4~0 0)) (.cse16 (= ~a25~0 10)) (.cse12 (= ~a25~0 13)) (.cse6 (<= .cse19 0)) (.cse13 (<= ~a29~0 245)) (.cse15 (<= 130 ~a29~0)) (.cse1 (= ~a25~0 11)) (.cse17 (<= 165 ~a23~0)) (.cse2 (= ~a3~0 1)) (.cse3 (<= ~a23~0 312)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse7 .cse4) (and .cse8 .cse2 .cse9 .cse4) (and .cse10 .cse0 .cse11 .cse2 .cse3 .cse4) (and .cse12 .cse13 .cse2 .cse9 .cse4 .cse5) (and .cse14 .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse9 .cse4 .cse15) (and .cse0 .cse14 .cse2 .cse3 .cse4 .cse16) (and .cse6 .cse10 .cse11 .cse2 .cse7 .cse4) (and .cse6 .cse0 .cse8 .cse2 .cse4) (and .cse10 .cse2 .cse9 (<= 312 ~a23~0) .cse4 .cse15) (and .cse12 .cse17 .cse2 .cse9 .cse4) (and .cse14 .cse2 .cse3 (<= ~a25~0 9) .cse4) (and .cse0 .cse14 .cse2 .cse4 .cse18 .cse16) (and .cse12 .cse0 .cse2 .cse7 .cse3 .cse4) (and .cse10 .cse11 .cse2 .cse4 .cse18) (and (<= 260 ~a29~0) .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse1 (<= ~a29~0 274) .cse2 .cse9 .cse4 .cse15) (and .cse6 .cse8 .cse9) (and .cse6 .cse8 (<= 10250 ~a29~0) .cse2 .cse4) (and .cse10 (< 371191 ~a23~0) .cse2 .cse9 .cse4) (and (<= 0 (+ (div (+ (- 28690) (* ~a29~0 (- 1))) 5) 49)) .cse2 .cse4 .cse18 .cse16) (and .cse12 .cse6 .cse13 .cse2 .cse9 .cse4 .cse15) (and .cse1 .cse17 .cse2 .cse9 .cse3 .cse4)))) [2021-10-28 23:27:09,072 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,072 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,072 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,073 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,073 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,073 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,073 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,073 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,073 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-28 23:27:09,074 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-28 23:27:09,074 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-28 23:27:09,074 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-28 23:27:09,074 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-28 23:27:09,074 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-28 23:27:09,074 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-28 23:27:09,074 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,075 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,075 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,075 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,075 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,075 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,075 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,076 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,076 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,076 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,076 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:27:09,076 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-28 23:27:09,076 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-28 23:27:09,076 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-28 23:27:09,077 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-28 23:27:09,077 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,077 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,077 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,077 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,077 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,077 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-28 23:27:09,078 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-28 23:27:09,078 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-28 23:27:09,078 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,078 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,078 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,078 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,079 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-28 23:27:09,079 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-28 23:27:09,079 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,079 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,079 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,079 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,079 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,080 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,080 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-28 23:27:09,080 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-28 23:27:09,080 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,080 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,080 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-28 23:27:09,080 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-28 23:27:09,081 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-28 23:27:09,081 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:27:09,081 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2021-10-28 23:27:09,081 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,081 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,081 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,082 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,082 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,082 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,082 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,082 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-28 23:27:09,082 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-28 23:27:09,083 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-28 23:27:09,083 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-28 23:27:09,083 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-28 23:27:09,083 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-28 23:27:09,083 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-28 23:27:09,083 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,083 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,084 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-28 23:27:09,084 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-28 23:27:09,084 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,084 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,084 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,084 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,084 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,085 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-28 23:27:09,085 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-28 23:27:09,085 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-28 23:27:09,085 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,085 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,085 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,085 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,086 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,086 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,086 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-28 23:27:09,086 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-28 23:27:09,086 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-28 23:27:09,086 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,087 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,087 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,087 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,087 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,087 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,087 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,087 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,088 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-28 23:27:09,088 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-28 23:27:09,088 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-28 23:27:09,088 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,088 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,088 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,088 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,089 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,089 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,089 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,089 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,089 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,089 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,089 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,090 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-28 23:27:09,090 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-28 23:27:09,090 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 23:27:09,090 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-28 23:27:09,090 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-28 23:27:09,090 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,091 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,091 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,091 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,091 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,091 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,091 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,091 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-28 23:27:09,092 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-28 23:27:09,092 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-28 23:27:09,092 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,092 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,092 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,092 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-28 23:27:09,093 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-28 23:27:09,093 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,093 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,093 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,093 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,093 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,093 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-28 23:27:09,094 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-28 23:27:09,094 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,094 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,094 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-28 23:27:09,094 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-28 23:27:09,094 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,094 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:27:09,095 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,095 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,095 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,095 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,095 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,095 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-28 23:27:09,096 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-28 23:27:09,096 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-28 23:27:09,096 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-28 23:27:09,096 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,096 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,096 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,097 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,097 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,097 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,097 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,097 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,097 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-28 23:27:09,097 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-28 23:27:09,098 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-28 23:27:09,098 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-28 23:27:09,098 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-28 23:27:09,098 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-28 23:27:09,098 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,098 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,099 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,099 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,099 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,099 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,099 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,099 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-28 23:27:09,100 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-28 23:27:09,100 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:27:09,100 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,100 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,100 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,100 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,100 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,101 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,101 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-28 23:27:09,101 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-28 23:27:09,101 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,101 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,101 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,102 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,102 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,102 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,102 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,102 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-28 23:27:09,102 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:27:09,103 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,103 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,103 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-28 23:27:09,103 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-28 23:27:09,103 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-28 23:27:09,103 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-28 23:27:09,107 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:27:09,109 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:27:09,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:27:09 BoogieIcfgContainer [2021-10-28 23:27:09,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:27:09,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:27:09,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:27:09,153 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:27:09,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:42" (3/4) ... [2021-10-28 23:27:09,157 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:27:09,187 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:27:09,189 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:27:09,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:27:09,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:27:09,346 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:27:09,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:27:09,348 INFO L168 Benchmark]: Toolchain (without parser) took 90563.99 ms. Allocated memory was 92.3 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 53.9 MB in the beginning and 1.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 577.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:09,349 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 62.9 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:27:09,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1238.31 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 53.7 MB in the beginning and 66.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:09,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 243.94 ms. Allocated memory is still 123.7 MB. Free memory was 66.3 MB in the beginning and 90.0 MB in the end (delta: -23.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:09,350 INFO L168 Benchmark]: Boogie Preprocessor took 257.83 ms. Allocated memory is still 123.7 MB. Free memory was 90.0 MB in the beginning and 85.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:09,350 INFO L168 Benchmark]: RCFGBuilder took 2292.76 ms. Allocated memory was 123.7 MB in the beginning and 197.1 MB in the end (delta: 73.4 MB). Free memory was 84.8 MB in the beginning and 112.4 MB in the end (delta: -27.6 MB). Peak memory consumption was 46.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:09,351 INFO L168 Benchmark]: TraceAbstraction took 86324.02 ms. Allocated memory was 197.1 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 111.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 781.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:09,351 INFO L168 Benchmark]: Witness Printer took 194.03 ms. Allocated memory is still 2.3 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:09,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 62.9 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1238.31 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 53.7 MB in the beginning and 66.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 243.94 ms. Allocated memory is still 123.7 MB. Free memory was 66.3 MB in the beginning and 90.0 MB in the end (delta: -23.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 257.83 ms. Allocated memory is still 123.7 MB. Free memory was 90.0 MB in the beginning and 85.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2292.76 ms. Allocated memory was 123.7 MB in the beginning and 197.1 MB in the end (delta: 73.4 MB). Free memory was 84.8 MB in the beginning and 112.4 MB in the end (delta: -27.6 MB). Peak memory consumption was 46.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 86324.02 ms. Allocated memory was 197.1 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 111.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 781.0 MB. Max. memory is 16.1 GB. * Witness Printer took 194.03 ms. Allocated memory is still 2.3 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 211]: 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: 86.1s, OverallIterations: 25, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 36.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5148 SDtfs, 5474 SDslu, 700 SDs, 0 SdLazy, 20025 SolverSat, 2740 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3843 GetRequests, 3766 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32846occurred in iteration=21, InterpolantAutomatonStates: 94, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.5s AutomataMinimizationTime, 25 MinimizatonAttempts, 27117 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 379 NumberOfFragments, 1009 HoareAnnotationTreeSize, 3 FomulaSimplifications, 48242 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 6556 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 22.8s InterpolantComputationTime, 12285 NumberOfCodeBlocks, 12285 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 12250 ConstructedInterpolants, 0 QuantifiedInterpolants, 52353 SizeOfPredicates, 4 NumberOfNonLiveVariables, 5206 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 35 InterpolantComputations, 23 PerfectInterpolantSequences, 12806/14184 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: (((((((((((((((((((((((((((0 <= a23 + 599772 && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15) && 203 <= a29) || (((((a23 + 43 <= 0 && 0 <= a23 + 599772) && a25 == 11) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || (((a25 <= 10 && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && 0 <= a23 + 599772) && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 == 13 && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && 203 <= a29)) || (((((a29 <= 140 && a25 == 11) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || (((((0 <= a23 + 599772 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((0 <= a23 + 599772 && a29 <= 140) && a3 == 1) && a23 <= 312) && a8 == 15) && a25 == 10)) || (((((a23 + 43 <= 0 && a25 == 12) && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || ((((a23 + 43 <= 0 && 0 <= a23 + 599772) && a25 <= 10) && a3 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && 130 <= a29)) || ((((a25 == 13 && 165 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a29 <= 140 && a3 == 1) && a23 <= 312) && a25 <= 9) && a8 == 15)) || (((((0 <= a23 + 599772 && a29 <= 140) && a3 == 1) && a8 == 15) && a4 <= 0) && a25 == 10)) || (((((a25 == 13 && 0 <= a23 + 599772) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || ((((a25 == 12 && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((((260 <= a29 && a25 == 11) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || (((((a25 == 11 && a29 <= 274) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)) || ((((a23 + 43 <= 0 && a25 <= 10) && 10250 <= a29) && a3 == 1) && a8 == 15)) || ((((a25 == 12 && 371191 < a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((0 <= (-28690 + a29 * -1) / 5 + 49 && a3 == 1) && a8 == 15) && a4 <= 0) && a25 == 10)) || ((((((a25 == 13 && a23 + 43 <= 0) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((a25 == 11 && 165 <= a23) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((0 <= a23 + 599772 && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15) && 203 <= a29) || (((((a23 + 43 <= 0 && 0 <= a23 + 599772) && a25 == 11) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || (((a25 <= 10 && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && 0 <= a23 + 599772) && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 == 13 && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && 203 <= a29)) || (((((a29 <= 140 && a25 == 11) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || (((((0 <= a23 + 599772 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((0 <= a23 + 599772 && a29 <= 140) && a3 == 1) && a23 <= 312) && a8 == 15) && a25 == 10)) || (((((a23 + 43 <= 0 && a25 == 12) && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || ((((a23 + 43 <= 0 && 0 <= a23 + 599772) && a25 <= 10) && a3 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && 130 <= a29)) || ((((a25 == 13 && 165 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a29 <= 140 && a3 == 1) && a23 <= 312) && a25 <= 9) && a8 == 15)) || (((((0 <= a23 + 599772 && a29 <= 140) && a3 == 1) && a8 == 15) && a4 <= 0) && a25 == 10)) || (((((a25 == 13 && 0 <= a23 + 599772) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || ((((a25 == 12 && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((((260 <= a29 && a25 == 11) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || (((((a25 == 11 && a29 <= 274) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)) || ((((a23 + 43 <= 0 && a25 <= 10) && 10250 <= a29) && a3 == 1) && a8 == 15)) || ((((a25 == 12 && 371191 < a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((0 <= (-28690 + a29 * -1) / 5 + 49 && a3 == 1) && a8 == 15) && a4 <= 0) && a25 == 10)) || ((((((a25 == 13 && a23 + 43 <= 0) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((a25 == 11 && 165 <= a23) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:27:09,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7483fae6-4b22-4e66-a1c6-9a23eba7671c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...