./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:31:15,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:31:15,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:31:15,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:31:15,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:31:15,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:31:15,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:31:15,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:31:15,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:31:15,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:31:15,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:31:15,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:31:15,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:31:15,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:31:15,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:31:15,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:31:15,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:31:15,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:31:15,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:31:15,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:31:15,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:31:15,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:31:15,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:31:15,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:31:15,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:31:15,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:31:15,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:31:15,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:31:15,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:31:15,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:31:15,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:31:15,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:31:15,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:31:15,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:31:15,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:31:15,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:31:15,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:31:15,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:31:15,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:31:15,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:31:15,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:31:15,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 16:31:15,307 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:31:15,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:31:15,308 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:31:15,308 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:31:15,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:31:15,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:31:15,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:31:15,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:31:15,311 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:31:15,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:31:15,312 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:31:15,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:31:15,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:31:15,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:31:15,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:31:15,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:31:15,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:31:15,314 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:31:15,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:31:15,314 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:31:15,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:31:15,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:31:15,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:31:15,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:31:15,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:31:15,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:31:15,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:31:15,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:31:15,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:31:15,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:31:15,317 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:31:15,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:31:15,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:31:15,318 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_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce [2022-11-21 16:31:15,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:31:15,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:31:15,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:31:15,633 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:31:15,634 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:31:15,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2022-11-21 16:31:18,818 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:31:19,144 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:31:19,145 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2022-11-21 16:31:19,165 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/data/50eeff760/2309151ae9454f89b25d988c90686e5c/FLAGc01e0fdb6 [2022-11-21 16:31:19,180 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/data/50eeff760/2309151ae9454f89b25d988c90686e5c [2022-11-21 16:31:19,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:31:19,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:31:19,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:31:19,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:31:19,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:31:19,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:31:19" (1/1) ... [2022-11-21 16:31:19,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16156e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:19, skipping insertion in model container [2022-11-21 16:31:19,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:31:19" (1/1) ... [2022-11-21 16:31:19,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:31:19,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:31:19,450 WARN L237 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_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281] [2022-11-21 16:31:19,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:31:19,804 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:31:19,837 WARN L237 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_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281] [2022-11-21 16:31:20,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:31:20,060 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:31:20,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20 WrapperNode [2022-11-21 16:31:20,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:31:20,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:31:20,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:31:20,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:31:20,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,227 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-11-21 16:31:20,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:31:20,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:31:20,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:31:20,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:31:20,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,362 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:31:20,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:31:20,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:31:20,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:31:20,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (1/1) ... [2022-11-21 16:31:20,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:31:20,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:31:20,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:31:20,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:31:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:31:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:31:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:31:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:31:20,546 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:31:20,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:31:22,393 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:31:22,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:31:22,419 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:31:22,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:31:22 BoogieIcfgContainer [2022-11-21 16:31:22,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:31:22,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:31:22,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:31:22,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:31:22,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:31:19" (1/3) ... [2022-11-21 16:31:22,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c20411c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:31:22, skipping insertion in model container [2022-11-21 16:31:22,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:20" (2/3) ... [2022-11-21 16:31:22,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c20411c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:31:22, skipping insertion in model container [2022-11-21 16:31:22,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:31:22" (3/3) ... [2022-11-21 16:31:22,437 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label10.c [2022-11-21 16:31:22,457 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:31:22,457 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:31:22,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:31:22,546 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ab5c1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:31:22,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:31:22,555 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) [2022-11-21 16:31:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 16:31:22,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:22,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:22,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:22,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:22,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1644072970, now seen corresponding path program 1 times [2022-11-21 16:31:22,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:22,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516149538] [2022-11-21 16:31:22,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:22,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:22,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:22,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:22,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516149538] [2022-11-21 16:31:22,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516149538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:22,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:22,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:31:22,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80605584] [2022-11-21 16:31:22,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:22,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:22,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:22,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:22,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:31:22,984 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:24,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:24,310 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2022-11-21 16:31:24,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:24,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-21 16:31:24,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:24,327 INFO L225 Difference]: With dead ends: 776 [2022-11-21 16:31:24,327 INFO L226 Difference]: Without dead ends: 413 [2022-11-21 16:31:24,331 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:24,334 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 205 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:24,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-21 16:31:24,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-11-21 16:31:24,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2022-11-21 16:31:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:24,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-11-21 16:31:24,396 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 22 [2022-11-21 16:31:24,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:24,397 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-11-21 16:31:24,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:24,398 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-11-21 16:31:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-21 16:31:24,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:24,400 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:24,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:31:24,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:24,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:24,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1871415266, now seen corresponding path program 1 times [2022-11-21 16:31:24,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:24,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414139261] [2022-11-21 16:31:24,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:24,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:24,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:24,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414139261] [2022-11-21 16:31:24,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414139261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:24,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:24,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:31:24,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809786483] [2022-11-21 16:31:24,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:24,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:24,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:24,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:24,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:31:24,650 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:25,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:25,647 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2022-11-21 16:31:25,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:25,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-11-21 16:31:25,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:25,651 INFO L225 Difference]: With dead ends: 1209 [2022-11-21 16:31:25,652 INFO L226 Difference]: Without dead ends: 800 [2022-11-21 16:31:25,653 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:25,654 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:25,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:31:25,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-11-21 16:31:25,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2022-11-21 16:31:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2022-11-21 16:31:25,695 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 90 [2022-11-21 16:31:25,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:25,695 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2022-11-21 16:31:25,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:25,696 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2022-11-21 16:31:25,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-21 16:31:25,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:25,699 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:25,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:31:25,699 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:25,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:25,700 INFO L85 PathProgramCache]: Analyzing trace with hash 562007972, now seen corresponding path program 1 times [2022-11-21 16:31:25,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:25,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466838488] [2022-11-21 16:31:25,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:25,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:26,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:26,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466838488] [2022-11-21 16:31:26,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466838488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:26,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:26,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:31:26,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936709314] [2022-11-21 16:31:26,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:26,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:26,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:26,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:26,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:31:26,150 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:27,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:27,122 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2022-11-21 16:31:27,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:27,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-11-21 16:31:27,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:27,127 INFO L225 Difference]: With dead ends: 1942 [2022-11-21 16:31:27,127 INFO L226 Difference]: Without dead ends: 1157 [2022-11-21 16:31:27,128 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:27,130 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:27,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:31:27,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-11-21 16:31:27,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2022-11-21 16:31:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2022-11-21 16:31:27,165 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 91 [2022-11-21 16:31:27,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:27,165 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2022-11-21 16:31:27,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:27,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2022-11-21 16:31:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-21 16:31:27,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:27,170 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:27,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:31:27,171 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:27,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:27,171 INFO L85 PathProgramCache]: Analyzing trace with hash -945177690, now seen corresponding path program 1 times [2022-11-21 16:31:27,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:27,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143663518] [2022-11-21 16:31:27,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:27,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-21 16:31:27,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:27,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143663518] [2022-11-21 16:31:27,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143663518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:27,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:27,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:31:27,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895947851] [2022-11-21 16:31:27,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:27,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:27,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:27,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:27,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:31:27,463 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:28,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:28,447 INFO L93 Difference]: Finished difference Result 2502 states and 3339 transitions. [2022-11-21 16:31:28,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:28,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-11-21 16:31:28,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:28,454 INFO L225 Difference]: With dead ends: 2502 [2022-11-21 16:31:28,454 INFO L226 Difference]: Without dead ends: 1532 [2022-11-21 16:31:28,456 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:28,457 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:28,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:31:28,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-11-21 16:31:28,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2022-11-21 16:31:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2619203135205748) internal successors, (1932), 1531 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1932 transitions. [2022-11-21 16:31:28,492 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1932 transitions. Word has length 134 [2022-11-21 16:31:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:28,493 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1932 transitions. [2022-11-21 16:31:28,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1932 transitions. [2022-11-21 16:31:28,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-21 16:31:28,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:28,498 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:28,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:31:28,498 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:28,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:28,499 INFO L85 PathProgramCache]: Analyzing trace with hash 2122268031, now seen corresponding path program 1 times [2022-11-21 16:31:28,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:28,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924680911] [2022-11-21 16:31:28,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:28,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:28,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:28,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924680911] [2022-11-21 16:31:28,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924680911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:28,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:28,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:31:28,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556948511] [2022-11-21 16:31:28,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:28,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:28,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:28,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:28,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:31:28,696 INFO L87 Difference]: Start difference. First operand 1532 states and 1932 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:29,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:29,655 INFO L93 Difference]: Finished difference Result 3644 states and 4738 transitions. [2022-11-21 16:31:29,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:29,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2022-11-21 16:31:29,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:29,664 INFO L225 Difference]: With dead ends: 3644 [2022-11-21 16:31:29,664 INFO L226 Difference]: Without dead ends: 2298 [2022-11-21 16:31:29,666 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:29,672 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 213 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:29,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:31:29,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2022-11-21 16:31:29,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2022-11-21 16:31:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2654751525719268) internal successors, (2903), 2294 states have internal predecessors, (2903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2903 transitions. [2022-11-21 16:31:29,755 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2903 transitions. Word has length 149 [2022-11-21 16:31:29,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:29,755 INFO L495 AbstractCegarLoop]: Abstraction has 2295 states and 2903 transitions. [2022-11-21 16:31:29,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2903 transitions. [2022-11-21 16:31:29,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-21 16:31:29,759 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:29,760 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:29,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:31:29,760 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:29,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:29,761 INFO L85 PathProgramCache]: Analyzing trace with hash -259742338, now seen corresponding path program 1 times [2022-11-21 16:31:29,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:29,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806090559] [2022-11-21 16:31:29,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:29,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:30,015 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:30,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:30,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806090559] [2022-11-21 16:31:30,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806090559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:30,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:30,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:31:30,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473066456] [2022-11-21 16:31:30,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:30,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:30,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:30,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:30,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:31:30,020 INFO L87 Difference]: Start difference. First operand 2295 states and 2903 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:30,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:30,979 INFO L93 Difference]: Finished difference Result 5528 states and 7095 transitions. [2022-11-21 16:31:30,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:30,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2022-11-21 16:31:30,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:30,992 INFO L225 Difference]: With dead ends: 5528 [2022-11-21 16:31:30,993 INFO L226 Difference]: Without dead ends: 3419 [2022-11-21 16:31:30,997 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:31,006 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:31,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 340 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:31:31,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2022-11-21 16:31:31,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3218. [2022-11-21 16:31:31,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3217 states have (on average 1.2377991917935964) internal successors, (3982), 3217 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 3982 transitions. [2022-11-21 16:31:31,084 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 3982 transitions. Word has length 202 [2022-11-21 16:31:31,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:31,085 INFO L495 AbstractCegarLoop]: Abstraction has 3218 states and 3982 transitions. [2022-11-21 16:31:31,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:31,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3982 transitions. [2022-11-21 16:31:31,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-21 16:31:31,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:31,091 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:31,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:31:31,091 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:31,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:31,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1079368312, now seen corresponding path program 1 times [2022-11-21 16:31:31,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:31,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718156333] [2022-11-21 16:31:31,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:31,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-21 16:31:31,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:31,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718156333] [2022-11-21 16:31:31,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718156333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:31,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:31,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:31:31,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803862214] [2022-11-21 16:31:31,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:31,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:31,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:31,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:31,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:31:31,335 INFO L87 Difference]: Start difference. First operand 3218 states and 3982 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:32,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:32,289 INFO L93 Difference]: Finished difference Result 7371 states and 9143 transitions. [2022-11-21 16:31:32,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:32,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 203 [2022-11-21 16:31:32,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:32,304 INFO L225 Difference]: With dead ends: 7371 [2022-11-21 16:31:32,304 INFO L226 Difference]: Without dead ends: 4155 [2022-11-21 16:31:32,308 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:32,309 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 180 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:32,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 345 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:31:32,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2022-11-21 16:31:32,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 4138. [2022-11-21 16:31:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 4137 states have (on average 1.2211747643219724) internal successors, (5052), 4137 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5052 transitions. [2022-11-21 16:31:32,394 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5052 transitions. Word has length 203 [2022-11-21 16:31:32,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:32,395 INFO L495 AbstractCegarLoop]: Abstraction has 4138 states and 5052 transitions. [2022-11-21 16:31:32,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:32,395 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5052 transitions. [2022-11-21 16:31:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-21 16:31:32,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:32,398 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:32,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:31:32,398 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:32,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:32,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1976650713, now seen corresponding path program 1 times [2022-11-21 16:31:32,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:32,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930630526] [2022-11-21 16:31:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:32,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-21 16:31:32,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:32,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930630526] [2022-11-21 16:31:32,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930630526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:32,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:32,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:31:32,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594864348] [2022-11-21 16:31:32,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:32,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:32,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:32,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:32,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:31:32,652 INFO L87 Difference]: Start difference. First operand 4138 states and 5052 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:33,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:33,688 INFO L93 Difference]: Finished difference Result 9207 states and 11353 transitions. [2022-11-21 16:31:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:33,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2022-11-21 16:31:33,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:33,705 INFO L225 Difference]: With dead ends: 9207 [2022-11-21 16:31:33,705 INFO L226 Difference]: Without dead ends: 5071 [2022-11-21 16:31:33,710 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:33,711 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 175 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:33,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 379 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 16:31:33,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2022-11-21 16:31:33,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 4874. [2022-11-21 16:31:33,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4874 states, 4873 states have (on average 1.2087010055407346) internal successors, (5890), 4873 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 5890 transitions. [2022-11-21 16:31:33,817 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 5890 transitions. Word has length 204 [2022-11-21 16:31:33,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:33,817 INFO L495 AbstractCegarLoop]: Abstraction has 4874 states and 5890 transitions. [2022-11-21 16:31:33,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5890 transitions. [2022-11-21 16:31:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-21 16:31:33,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:33,821 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:33,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:31:33,822 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:33,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:33,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1214132377, now seen corresponding path program 1 times [2022-11-21 16:31:33,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:33,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307468336] [2022-11-21 16:31:33,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:34,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:34,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307468336] [2022-11-21 16:31:34,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307468336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:34,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:34,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:31:34,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997941636] [2022-11-21 16:31:34,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:34,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:31:34,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:34,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:31:34,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:31:34,376 INFO L87 Difference]: Start difference. First operand 4874 states and 5890 transitions. Second operand has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:36,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:36,188 INFO L93 Difference]: Finished difference Result 15870 states and 19335 transitions. [2022-11-21 16:31:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:31:36,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 224 [2022-11-21 16:31:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:36,221 INFO L225 Difference]: With dead ends: 15870 [2022-11-21 16:31:36,222 INFO L226 Difference]: Without dead ends: 10998 [2022-11-21 16:31:36,228 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:36,229 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 310 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:36,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 207 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-21 16:31:36,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2022-11-21 16:31:36,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 8953. [2022-11-21 16:31:36,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8953 states, 8952 states have (on average 1.1907953529937445) internal successors, (10660), 8952 states have internal predecessors, (10660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8953 states to 8953 states and 10660 transitions. [2022-11-21 16:31:36,426 INFO L78 Accepts]: Start accepts. Automaton has 8953 states and 10660 transitions. Word has length 224 [2022-11-21 16:31:36,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:36,427 INFO L495 AbstractCegarLoop]: Abstraction has 8953 states and 10660 transitions. [2022-11-21 16:31:36,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 8953 states and 10660 transitions. [2022-11-21 16:31:36,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-21 16:31:36,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:36,431 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:36,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:31:36,432 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:36,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:36,433 INFO L85 PathProgramCache]: Analyzing trace with hash -205904018, now seen corresponding path program 1 times [2022-11-21 16:31:36,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:36,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904426398] [2022-11-21 16:31:36,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:36,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:36,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:36,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904426398] [2022-11-21 16:31:36,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904426398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:36,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:36,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:31:36,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423823265] [2022-11-21 16:31:36,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:36,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:31:36,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:36,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:31:36,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:31:36,879 INFO L87 Difference]: Start difference. First operand 8953 states and 10660 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:38,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:38,690 INFO L93 Difference]: Finished difference Result 22715 states and 27384 transitions. [2022-11-21 16:31:38,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:31:38,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-11-21 16:31:38,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:38,740 INFO L225 Difference]: With dead ends: 22715 [2022-11-21 16:31:38,740 INFO L226 Difference]: Without dead ends: 13764 [2022-11-21 16:31:38,751 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:38,752 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 325 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:38,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 122 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-21 16:31:38,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13764 states. [2022-11-21 16:31:38,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13764 to 13378. [2022-11-21 16:31:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13378 states, 13377 states have (on average 1.1921955595424982) internal successors, (15948), 13377 states have internal predecessors, (15948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13378 states to 13378 states and 15948 transitions. [2022-11-21 16:31:39,041 INFO L78 Accepts]: Start accepts. Automaton has 13378 states and 15948 transitions. Word has length 234 [2022-11-21 16:31:39,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:39,042 INFO L495 AbstractCegarLoop]: Abstraction has 13378 states and 15948 transitions. [2022-11-21 16:31:39,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 13378 states and 15948 transitions. [2022-11-21 16:31:39,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-21 16:31:39,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:39,049 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:39,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:31:39,049 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:39,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:39,050 INFO L85 PathProgramCache]: Analyzing trace with hash 947970210, now seen corresponding path program 1 times [2022-11-21 16:31:39,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:39,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365950346] [2022-11-21 16:31:39,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:39,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:40,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:40,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365950346] [2022-11-21 16:31:40,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365950346] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:31:40,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927037413] [2022-11-21 16:31:40,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:40,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:31:40,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:31:40,054 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:31:40,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:31:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:40,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 16:31:40,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:31:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:41,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:31:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:42,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927037413] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:31:42,919 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:31:42,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-21 16:31:42,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115858036] [2022-11-21 16:31:42,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:31:42,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:31:42,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:42,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:31:42,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:31:42,923 INFO L87 Difference]: Start difference. First operand 13378 states and 15948 transitions. Second operand has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:47,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:47,898 INFO L93 Difference]: Finished difference Result 28562 states and 34300 transitions. [2022-11-21 16:31:47,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 16:31:47,899 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2022-11-21 16:31:47,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:47,930 INFO L225 Difference]: With dead ends: 28562 [2022-11-21 16:31:47,931 INFO L226 Difference]: Without dead ends: 15174 [2022-11-21 16:31:47,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2022-11-21 16:31:47,944 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1280 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 4901 mSolverCounterSat, 457 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 5358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 4901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:47,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 165 Invalid, 5358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 4901 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-21 16:31:47,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15174 states. [2022-11-21 16:31:48,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15174 to 13530. [2022-11-21 16:31:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13530 states, 13529 states have (on average 1.1665311552960307) internal successors, (15782), 13529 states have internal predecessors, (15782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:48,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13530 states to 13530 states and 15782 transitions. [2022-11-21 16:31:48,203 INFO L78 Accepts]: Start accepts. Automaton has 13530 states and 15782 transitions. Word has length 236 [2022-11-21 16:31:48,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:48,204 INFO L495 AbstractCegarLoop]: Abstraction has 13530 states and 15782 transitions. [2022-11-21 16:31:48,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 13530 states and 15782 transitions. [2022-11-21 16:31:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-21 16:31:48,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:48,210 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:48,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:31:48,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:31:48,417 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:48,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:48,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1148903582, now seen corresponding path program 1 times [2022-11-21 16:31:48,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:48,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802973438] [2022-11-21 16:31:48,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:48,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 95 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:49,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:49,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802973438] [2022-11-21 16:31:49,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802973438] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:31:49,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458290301] [2022-11-21 16:31:49,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:49,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:31:49,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:31:49,148 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:31:49,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:31:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:49,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:31:49,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:31:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:49,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:31:49,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458290301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:49,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:31:49,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-21 16:31:49,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089397680] [2022-11-21 16:31:49,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:49,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:31:49,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:49,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:31:49,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:31:49,920 INFO L87 Difference]: Start difference. First operand 13530 states and 15782 transitions. Second operand has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:51,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:51,183 INFO L93 Difference]: Finished difference Result 27246 states and 31762 transitions. [2022-11-21 16:31:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:31:51,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 255 [2022-11-21 16:31:51,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:51,210 INFO L225 Difference]: With dead ends: 27246 [2022-11-21 16:31:51,210 INFO L226 Difference]: Without dead ends: 13718 [2022-11-21 16:31:51,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:31:51,223 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 172 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:51,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 164 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-21 16:31:51,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13718 states. [2022-11-21 16:31:51,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13718 to 13530. [2022-11-21 16:31:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13530 states, 13529 states have (on average 1.1652006800206962) internal successors, (15764), 13529 states have internal predecessors, (15764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13530 states to 13530 states and 15764 transitions. [2022-11-21 16:31:51,438 INFO L78 Accepts]: Start accepts. Automaton has 13530 states and 15764 transitions. Word has length 255 [2022-11-21 16:31:51,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:51,439 INFO L495 AbstractCegarLoop]: Abstraction has 13530 states and 15764 transitions. [2022-11-21 16:31:51,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 13530 states and 15764 transitions. [2022-11-21 16:31:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-21 16:31:51,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:51,446 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:51,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:31:51,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:31:51,658 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:51,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:51,658 INFO L85 PathProgramCache]: Analyzing trace with hash -632041158, now seen corresponding path program 1 times [2022-11-21 16:31:51,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:51,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723780131] [2022-11-21 16:31:51,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:51,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-21 16:31:51,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:51,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723780131] [2022-11-21 16:31:51,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723780131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:51,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:51,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:31:51,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713537411] [2022-11-21 16:31:51,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:51,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:51,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:51,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:51,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:31:51,895 INFO L87 Difference]: Start difference. First operand 13530 states and 15764 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:52,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:52,786 INFO L93 Difference]: Finished difference Result 25732 states and 30045 transitions. [2022-11-21 16:31:52,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:52,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2022-11-21 16:31:52,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:52,802 INFO L225 Difference]: With dead ends: 25732 [2022-11-21 16:31:52,803 INFO L226 Difference]: Without dead ends: 12204 [2022-11-21 16:31:52,815 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:52,816 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 168 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:52,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 132 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:31:52,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12204 states. [2022-11-21 16:31:52,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12204 to 10913. [2022-11-21 16:31:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10913 states, 10912 states have (on average 1.1198680351906158) internal successors, (12220), 10912 states have internal predecessors, (12220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10913 states to 10913 states and 12220 transitions. [2022-11-21 16:31:52,975 INFO L78 Accepts]: Start accepts. Automaton has 10913 states and 12220 transitions. Word has length 271 [2022-11-21 16:31:52,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:52,976 INFO L495 AbstractCegarLoop]: Abstraction has 10913 states and 12220 transitions. [2022-11-21 16:31:52,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 10913 states and 12220 transitions. [2022-11-21 16:31:52,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-21 16:31:52,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:52,984 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:52,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:31:52,984 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:52,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:52,985 INFO L85 PathProgramCache]: Analyzing trace with hash 323334857, now seen corresponding path program 1 times [2022-11-21 16:31:52,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:52,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31506582] [2022-11-21 16:31:52,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:52,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 216 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:31:53,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:53,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31506582] [2022-11-21 16:31:53,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31506582] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:31:53,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808067873] [2022-11-21 16:31:53,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:53,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:31:53,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:31:53,818 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:31:53,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 16:31:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:53,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:31:54,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:31:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-21 16:31:54,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:31:54,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808067873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:54,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:31:54,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-21 16:31:54,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140599881] [2022-11-21 16:31:54,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:54,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:54,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:54,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:54,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:31:54,349 INFO L87 Difference]: Start difference. First operand 10913 states and 12220 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:55,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:55,166 INFO L93 Difference]: Finished difference Result 22196 states and 24830 transitions. [2022-11-21 16:31:55,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:55,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 293 [2022-11-21 16:31:55,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:55,181 INFO L225 Difference]: With dead ends: 22196 [2022-11-21 16:31:55,181 INFO L226 Difference]: Without dead ends: 11101 [2022-11-21 16:31:55,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:31:55,188 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 98 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:55,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 361 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 16:31:55,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11101 states. [2022-11-21 16:31:55,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11101 to 10729. [2022-11-21 16:31:55,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10729 states, 10728 states have (on average 1.1189410887397464) internal successors, (12004), 10728 states have internal predecessors, (12004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10729 states to 10729 states and 12004 transitions. [2022-11-21 16:31:55,338 INFO L78 Accepts]: Start accepts. Automaton has 10729 states and 12004 transitions. Word has length 293 [2022-11-21 16:31:55,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:55,339 INFO L495 AbstractCegarLoop]: Abstraction has 10729 states and 12004 transitions. [2022-11-21 16:31:55,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 10729 states and 12004 transitions. [2022-11-21 16:31:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-11-21 16:31:55,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:55,349 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:55,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-21 16:31:55,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:31:55,554 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:55,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:55,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1215708833, now seen corresponding path program 1 times [2022-11-21 16:31:55,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:55,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960324198] [2022-11-21 16:31:55,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:55,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:55,997 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-21 16:31:55,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:55,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960324198] [2022-11-21 16:31:55,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960324198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:55,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:55,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:31:55,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912392839] [2022-11-21 16:31:55,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:55,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:31:55,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:56,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:31:56,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:31:56,000 INFO L87 Difference]: Start difference. First operand 10729 states and 12004 transitions. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:57,716 INFO L93 Difference]: Finished difference Result 26254 states and 29361 transitions. [2022-11-21 16:31:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:31:57,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 309 [2022-11-21 16:31:57,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:57,730 INFO L225 Difference]: With dead ends: 26254 [2022-11-21 16:31:57,730 INFO L226 Difference]: Without dead ends: 15343 [2022-11-21 16:31:57,735 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:57,736 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 341 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:57,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 70 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-21 16:31:57,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15343 states. [2022-11-21 16:31:57,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15343 to 14231. [2022-11-21 16:31:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14231 states, 14230 states have (on average 1.1139142656359804) internal successors, (15851), 14230 states have internal predecessors, (15851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:58,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14231 states to 14231 states and 15851 transitions. [2022-11-21 16:31:58,023 INFO L78 Accepts]: Start accepts. Automaton has 14231 states and 15851 transitions. Word has length 309 [2022-11-21 16:31:58,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:58,024 INFO L495 AbstractCegarLoop]: Abstraction has 14231 states and 15851 transitions. [2022-11-21 16:31:58,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:58,025 INFO L276 IsEmpty]: Start isEmpty. Operand 14231 states and 15851 transitions. [2022-11-21 16:31:58,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-21 16:31:58,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:58,042 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 16:31:58,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 16:31:58,042 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:58,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:58,043 INFO L85 PathProgramCache]: Analyzing trace with hash 384501595, now seen corresponding path program 1 times [2022-11-21 16:31:58,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:58,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561731294] [2022-11-21 16:31:58,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:58,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-21 16:31:58,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:58,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561731294] [2022-11-21 16:31:58,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561731294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:58,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:58,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:31:58,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204866599] [2022-11-21 16:31:58,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:58,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:31:58,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:58,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:31:58,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:31:58,439 INFO L87 Difference]: Start difference. First operand 14231 states and 15851 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:59,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:59,426 INFO L93 Difference]: Finished difference Result 30493 states and 33970 transitions. [2022-11-21 16:31:59,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:31:59,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 320 [2022-11-21 16:31:59,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:59,440 INFO L225 Difference]: With dead ends: 30493 [2022-11-21 16:31:59,440 INFO L226 Difference]: Without dead ends: 16264 [2022-11-21 16:31:59,446 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:31:59,447 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 195 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:59,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 119 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:31:59,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16264 states. [2022-11-21 16:31:59,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16264 to 14043. [2022-11-21 16:31:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14043 states, 14042 states have (on average 1.1135165930779092) internal successors, (15636), 14042 states have internal predecessors, (15636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14043 states to 14043 states and 15636 transitions. [2022-11-21 16:31:59,776 INFO L78 Accepts]: Start accepts. Automaton has 14043 states and 15636 transitions. Word has length 320 [2022-11-21 16:31:59,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:59,777 INFO L495 AbstractCegarLoop]: Abstraction has 14043 states and 15636 transitions. [2022-11-21 16:31:59,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:31:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 14043 states and 15636 transitions. [2022-11-21 16:31:59,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-21 16:31:59,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:59,788 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 16:31:59,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 16:31:59,789 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:59,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:59,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1637860003, now seen corresponding path program 1 times [2022-11-21 16:31:59,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:59,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079294839] [2022-11-21 16:31:59,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:59,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2022-11-21 16:32:00,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:00,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079294839] [2022-11-21 16:32:00,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079294839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:00,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:00,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:32:00,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382721766] [2022-11-21 16:32:00,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:00,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:32:00,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:00,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:32:00,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:32:00,035 INFO L87 Difference]: Start difference. First operand 14043 states and 15636 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:00,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:00,935 INFO L93 Difference]: Finished difference Result 29188 states and 32492 transitions. [2022-11-21 16:32:00,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:32:00,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 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 [2022-11-21 16:32:00,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:00,952 INFO L225 Difference]: With dead ends: 29188 [2022-11-21 16:32:00,953 INFO L226 Difference]: Without dead ends: 15147 [2022-11-21 16:32:00,961 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:32:00,962 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 190 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:00,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 110 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:32:00,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15147 states. [2022-11-21 16:32:01,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15147 to 13117. [2022-11-21 16:32:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13117 states, 13116 states have (on average 1.112458066483684) internal successors, (14591), 13116 states have internal predecessors, (14591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13117 states to 13117 states and 14591 transitions. [2022-11-21 16:32:01,226 INFO L78 Accepts]: Start accepts. Automaton has 13117 states and 14591 transitions. Word has length 327 [2022-11-21 16:32:01,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:01,226 INFO L495 AbstractCegarLoop]: Abstraction has 13117 states and 14591 transitions. [2022-11-21 16:32:01,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 13117 states and 14591 transitions. [2022-11-21 16:32:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-11-21 16:32:01,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:01,235 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 16:32:01,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 16:32:01,236 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:32:01,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:01,236 INFO L85 PathProgramCache]: Analyzing trace with hash -694285539, now seen corresponding path program 1 times [2022-11-21 16:32:01,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:01,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89754880] [2022-11-21 16:32:01,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:01,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 16:32:01,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:01,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89754880] [2022-11-21 16:32:01,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89754880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:01,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:01,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:32:01,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405380163] [2022-11-21 16:32:01,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:01,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:32:01,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:01,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:32:01,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:32:01,558 INFO L87 Difference]: Start difference. First operand 13117 states and 14591 transitions. Second operand has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:03,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:03,030 INFO L93 Difference]: Finished difference Result 34708 states and 38542 transitions. [2022-11-21 16:32:03,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:32:03,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 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 349 [2022-11-21 16:32:03,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:03,057 INFO L225 Difference]: With dead ends: 34708 [2022-11-21 16:32:03,058 INFO L226 Difference]: Without dead ends: 21225 [2022-11-21 16:32:03,066 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:32:03,067 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 200 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:03,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 57 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-21 16:32:03,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21225 states. [2022-11-21 16:32:03,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21225 to 21037. [2022-11-21 16:32:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21037 states, 21036 states have (on average 1.1072447233314318) internal successors, (23292), 21036 states have internal predecessors, (23292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:03,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21037 states to 21037 states and 23292 transitions. [2022-11-21 16:32:03,445 INFO L78 Accepts]: Start accepts. Automaton has 21037 states and 23292 transitions. Word has length 349 [2022-11-21 16:32:03,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:03,445 INFO L495 AbstractCegarLoop]: Abstraction has 21037 states and 23292 transitions. [2022-11-21 16:32:03,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:03,446 INFO L276 IsEmpty]: Start isEmpty. Operand 21037 states and 23292 transitions. [2022-11-21 16:32:03,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-11-21 16:32:03,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:03,457 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:32:03,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 16:32:03,458 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:32:03,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:03,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1678028432, now seen corresponding path program 1 times [2022-11-21 16:32:03,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:03,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677459592] [2022-11-21 16:32:03,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:03,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-21 16:32:03,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:03,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677459592] [2022-11-21 16:32:03,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677459592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:03,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:03,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:32:03,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109486143] [2022-11-21 16:32:03,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:03,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:32:03,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:03,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:32:03,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:32:03,775 INFO L87 Difference]: Start difference. First operand 21037 states and 23292 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:04,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:04,735 INFO L93 Difference]: Finished difference Result 42253 states and 46777 transitions. [2022-11-21 16:32:04,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:32:04,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 385 [2022-11-21 16:32:04,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:04,752 INFO L225 Difference]: With dead ends: 42253 [2022-11-21 16:32:04,752 INFO L226 Difference]: Without dead ends: 24164 [2022-11-21 16:32:04,758 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:32:04,759 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 197 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:04,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 128 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 16:32:04,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24164 states. [2022-11-21 16:32:04,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24164 to 15696. [2022-11-21 16:32:04,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15696 states, 15695 states have (on average 1.1086333227142402) internal successors, (17400), 15695 states have internal predecessors, (17400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15696 states to 15696 states and 17400 transitions. [2022-11-21 16:32:05,003 INFO L78 Accepts]: Start accepts. Automaton has 15696 states and 17400 transitions. Word has length 385 [2022-11-21 16:32:05,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:05,004 INFO L495 AbstractCegarLoop]: Abstraction has 15696 states and 17400 transitions. [2022-11-21 16:32:05,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:05,004 INFO L276 IsEmpty]: Start isEmpty. Operand 15696 states and 17400 transitions. [2022-11-21 16:32:05,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-11-21 16:32:05,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:05,016 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:32:05,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 16:32:05,016 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:32:05,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:05,017 INFO L85 PathProgramCache]: Analyzing trace with hash -404909594, now seen corresponding path program 1 times [2022-11-21 16:32:05,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:05,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271921758] [2022-11-21 16:32:05,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:05,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2022-11-21 16:32:05,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:05,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271921758] [2022-11-21 16:32:05,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271921758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:05,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:05,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:32:05,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141290537] [2022-11-21 16:32:05,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:05,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:32:05,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:05,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:32:05,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:32:05,813 INFO L87 Difference]: Start difference. First operand 15696 states and 17400 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:06,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:06,801 INFO L93 Difference]: Finished difference Result 30853 states and 34231 transitions. [2022-11-21 16:32:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:32:06,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 438 [2022-11-21 16:32:06,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:06,817 INFO L225 Difference]: With dead ends: 30853 [2022-11-21 16:32:06,818 INFO L226 Difference]: Without dead ends: 15527 [2022-11-21 16:32:06,825 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:32:06,827 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 112 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:06,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 146 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:32:06,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15527 states. [2022-11-21 16:32:07,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15527 to 14408. [2022-11-21 16:32:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14408 states, 14407 states have (on average 1.1028666620392864) internal successors, (15889), 14407 states have internal predecessors, (15889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:07,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14408 states to 14408 states and 15889 transitions. [2022-11-21 16:32:07,038 INFO L78 Accepts]: Start accepts. Automaton has 14408 states and 15889 transitions. Word has length 438 [2022-11-21 16:32:07,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:07,039 INFO L495 AbstractCegarLoop]: Abstraction has 14408 states and 15889 transitions. [2022-11-21 16:32:07,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 14408 states and 15889 transitions. [2022-11-21 16:32:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-11-21 16:32:07,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:07,052 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:32:07,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 16:32:07,053 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:32:07,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:07,053 INFO L85 PathProgramCache]: Analyzing trace with hash 77941500, now seen corresponding path program 1 times [2022-11-21 16:32:07,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:07,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201561733] [2022-11-21 16:32:07,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:07,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-21 16:32:08,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:08,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201561733] [2022-11-21 16:32:08,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201561733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:08,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:08,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:32:08,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210565286] [2022-11-21 16:32:08,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:08,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:32:08,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:08,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:32:08,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:32:08,049 INFO L87 Difference]: Start difference. First operand 14408 states and 15889 transitions. Second operand has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:10,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:10,017 INFO L93 Difference]: Finished difference Result 34173 states and 37671 transitions. [2022-11-21 16:32:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:32:10,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 487 [2022-11-21 16:32:10,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:10,038 INFO L225 Difference]: With dead ends: 34173 [2022-11-21 16:32:10,038 INFO L226 Difference]: Without dead ends: 19951 [2022-11-21 16:32:10,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:32:10,047 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 386 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:10,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 80 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-21 16:32:10,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19951 states. [2022-11-21 16:32:10,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19951 to 16063. [2022-11-21 16:32:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16063 states, 16062 states have (on average 1.0988668907981571) internal successors, (17650), 16062 states have internal predecessors, (17650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:10,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16063 states to 16063 states and 17650 transitions. [2022-11-21 16:32:10,296 INFO L78 Accepts]: Start accepts. Automaton has 16063 states and 17650 transitions. Word has length 487 [2022-11-21 16:32:10,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:10,297 INFO L495 AbstractCegarLoop]: Abstraction has 16063 states and 17650 transitions. [2022-11-21 16:32:10,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:10,297 INFO L276 IsEmpty]: Start isEmpty. Operand 16063 states and 17650 transitions. [2022-11-21 16:32:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2022-11-21 16:32:10,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:10,345 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:32:10,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 16:32:10,345 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:32:10,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:10,346 INFO L85 PathProgramCache]: Analyzing trace with hash 380464736, now seen corresponding path program 1 times [2022-11-21 16:32:10,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:10,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525484368] [2022-11-21 16:32:10,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:10,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-21 16:32:11,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:11,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525484368] [2022-11-21 16:32:11,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525484368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:11,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:11,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:32:11,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232825203] [2022-11-21 16:32:11,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:11,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:32:11,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:11,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:32:11,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:32:11,044 INFO L87 Difference]: Start difference. First operand 16063 states and 17650 transitions. Second operand has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:12,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:12,873 INFO L93 Difference]: Finished difference Result 33422 states and 36705 transitions. [2022-11-21 16:32:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:32:12,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 491 [2022-11-21 16:32:12,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:12,891 INFO L225 Difference]: With dead ends: 33422 [2022-11-21 16:32:12,891 INFO L226 Difference]: Without dead ends: 17545 [2022-11-21 16:32:12,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:32:12,899 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 385 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:12,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 65 Invalid, 1666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-21 16:32:12,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17545 states. [2022-11-21 16:32:13,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17545 to 11454. [2022-11-21 16:32:13,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11454 states, 11453 states have (on average 1.0977036584301056) internal successors, (12572), 11453 states have internal predecessors, (12572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:13,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11454 states to 11454 states and 12572 transitions. [2022-11-21 16:32:13,097 INFO L78 Accepts]: Start accepts. Automaton has 11454 states and 12572 transitions. Word has length 491 [2022-11-21 16:32:13,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:13,098 INFO L495 AbstractCegarLoop]: Abstraction has 11454 states and 12572 transitions. [2022-11-21 16:32:13,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 11454 states and 12572 transitions. [2022-11-21 16:32:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2022-11-21 16:32:13,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:13,108 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:32:13,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 16:32:13,108 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:32:13,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:13,108 INFO L85 PathProgramCache]: Analyzing trace with hash 930769197, now seen corresponding path program 1 times [2022-11-21 16:32:13,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:13,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852249126] [2022-11-21 16:32:13,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:13,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-21 16:32:13,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:13,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852249126] [2022-11-21 16:32:13,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852249126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:13,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:13,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:32:13,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068763213] [2022-11-21 16:32:13,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:13,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:32:13,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:13,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:32:13,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:32:13,450 INFO L87 Difference]: Start difference. First operand 11454 states and 12572 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:14,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:14,303 INFO L93 Difference]: Finished difference Result 24377 states and 26715 transitions. [2022-11-21 16:32:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:32:14,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 589 [2022-11-21 16:32:14,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:14,313 INFO L225 Difference]: With dead ends: 24377 [2022-11-21 16:32:14,313 INFO L226 Difference]: Without dead ends: 11819 [2022-11-21 16:32:14,318 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:32:14,319 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 192 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:14,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 321 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 16:32:14,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11819 states. [2022-11-21 16:32:14,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11819 to 11451. [2022-11-21 16:32:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11451 states, 11450 states have (on average 1.0831441048034935) internal successors, (12402), 11450 states have internal predecessors, (12402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11451 states to 11451 states and 12402 transitions. [2022-11-21 16:32:14,441 INFO L78 Accepts]: Start accepts. Automaton has 11451 states and 12402 transitions. Word has length 589 [2022-11-21 16:32:14,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:14,441 INFO L495 AbstractCegarLoop]: Abstraction has 11451 states and 12402 transitions. [2022-11-21 16:32:14,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:14,442 INFO L276 IsEmpty]: Start isEmpty. Operand 11451 states and 12402 transitions. [2022-11-21 16:32:14,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2022-11-21 16:32:14,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:14,455 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 16:32:14,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 16:32:14,455 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:32:14,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:14,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1987991014, now seen corresponding path program 1 times [2022-11-21 16:32:14,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:14,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647008426] [2022-11-21 16:32:14,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:14,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 948 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2022-11-21 16:32:14,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:14,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647008426] [2022-11-21 16:32:14,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647008426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:14,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:14,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:32:14,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681014213] [2022-11-21 16:32:14,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:14,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:32:14,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:14,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:32:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:32:14,889 INFO L87 Difference]: Start difference. First operand 11451 states and 12402 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:15,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:15,679 INFO L93 Difference]: Finished difference Result 23264 states and 25170 transitions. [2022-11-21 16:32:15,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:32:15,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 703 [2022-11-21 16:32:15,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:15,681 INFO L225 Difference]: With dead ends: 23264 [2022-11-21 16:32:15,681 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:32:15,689 INFO L412 NwaCegarLoop]: 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 [2022-11-21 16:32:15,689 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 61 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:15,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 93 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-21 16:32:15,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:32:15,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:32:15,691 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) [2022-11-21 16:32:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:32:15,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 703 [2022-11-21 16:32:15,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:15,691 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:32:15,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:32:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:32:15,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:32:15,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:32:15,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 16:32:15,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:32:22,351 WARN L233 SmtUtils]: Spent 6.65s on a formula simplification. DAG size of input: 637 DAG size of output: 594 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 16:32:27,597 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 636 DAG size of output: 593 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 16:32:35,109 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-11-21 16:32:35,110 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,110 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-11-21 16:32:35,110 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,110 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,110 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,110 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,111 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,111 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,111 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-11-21 16:32:35,111 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-11-21 16:32:35,111 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-21 16:32:35,111 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,112 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,112 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,112 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,112 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,112 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,112 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,112 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,113 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,113 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,113 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-11-21 16:32:35,113 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-11-21 16:32:35,113 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-21 16:32:35,113 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,114 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-11-21 16:32:35,114 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-11-21 16:32:35,114 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,114 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,114 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,114 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,115 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,115 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,115 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-21 16:32:35,115 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-11-21 16:32:35,115 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-21 16:32:35,115 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,115 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,116 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,116 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse25 (+ ~a23~0 43))) (let ((.cse24 (= ~a25~0 12)) (.cse20 (<= .cse25 0)) (.cse13 (= ~a25~0 11)) (.cse7 (<= ~a25~0 10)) (.cse8 (= ~a3~0 1)) (.cse15 (not (<= ~a29~0 277))) (.cse16 (= ~a4~0 1)) (.cse10 (= ~a8~0 15))) (let ((.cse0 (or (and .cse13 .cse8 .cse15 .cse16 .cse10) (and .cse7 .cse8 .cse15 .cse16 (<= ~a25~0 9) .cse10))) (.cse22 (<= ~a29~0 275)) (.cse18 (<= 307 ~a23~0)) (.cse14 (<= ~a29~0 599999)) (.cse3 (<= 10 ~a25~0)) (.cse21 (<= ~a29~0 245)) (.cse11 (<= (+ ~a29~0 21) 0)) (.cse2 (not .cse20)) (.cse19 (or (= ~a25~0 13) .cse24)) (.cse4 (<= ~a29~0 140)) (.cse6 (< 0 .cse25)) (.cse1 (<= ~a23~0 138)) (.cse9 (<= ~a29~0 220)) (.cse17 (<= ~a29~0 384312)) (.cse5 (= ~a4~0 0)) (.cse23 (= ~a25~0 9)) (.cse12 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse1 .cse9 .cse10) (and .cse11 .cse3 .cse5 .cse7 .cse8 .cse9 .cse12 .cse10) (and .cse4 .cse5 .cse13 .cse8 .cse12 .cse10) (and .cse7 .cse14 .cse8 .cse15 .cse16 .cse10) (and .cse13 .cse14 .cse8 .cse16 .cse10) (and .cse7 .cse8 .cse16 (<= (+ ~a29~0 287232) 0) (<= 312 ~a23~0) .cse10) (and .cse3 (<= (+ 28300 ~a29~0) 0) .cse5 .cse7 .cse8 .cse10) (and .cse5 .cse13 .cse14 .cse8 .cse15 .cse12 .cse10) (and .cse0 (<= (+ ~a23~0 599772) 0)) (and .cse17 .cse18 .cse8 .cse16 .cse10 .cse19) (and .cse20 .cse8 .cse16 (<= 214883 ~a29~0) .cse10 (= ~a25~0 10)) (and .cse21 .cse8 .cse16 .cse10 .cse19) (and .cse22 .cse23 .cse8 .cse16 .cse10) (and .cse22 .cse24 .cse5 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse6 (<= 141 ~a29~0)) .cse8 .cse10) (and .cse3 .cse18 .cse7 .cse14 .cse8 .cse16 .cse10) (and .cse17 .cse8 .cse15 .cse16 .cse10 .cse19) (and .cse3 .cse7 .cse21 .cse8 .cse16 .cse10) (and .cse17 .cse23 .cse8 .cse16 .cse12 .cse10) (and .cse11 .cse5 .cse23 .cse8 .cse9 .cse12 .cse10) (and .cse11 .cse5 .cse8 .cse1 .cse2 .cse10 .cse19) (and .cse4 .cse5 .cse6 .cse23 .cse8 .cse1 .cse9 .cse10) (and .cse17 .cse5 (< 277 ~a29~0) .cse23 .cse8 .cse12 .cse10))))) [2022-11-21 16:32:35,117 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,117 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-11-21 16:32:35,117 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-11-21 16:32:35,117 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,117 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,117 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,118 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,118 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,118 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,118 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-11-21 16:32:35,118 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-11-21 16:32:35,118 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-21 16:32:35,119 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-11-21 16:32:35,119 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,119 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,119 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,119 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,119 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,119 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,120 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,120 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-11-21 16:32:35,120 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-11-21 16:32:35,120 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-11-21 16:32:35,120 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,120 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,121 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,121 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,121 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,121 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,121 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,121 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,121 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,122 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-11-21 16:32:35,122 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-11-21 16:32:35,122 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-11-21 16:32:35,122 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,123 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse25 (+ ~a23~0 43))) (let ((.cse24 (= ~a25~0 12)) (.cse20 (<= .cse25 0)) (.cse13 (= ~a25~0 11)) (.cse7 (<= ~a25~0 10)) (.cse8 (= ~a3~0 1)) (.cse15 (not (<= ~a29~0 277))) (.cse16 (= ~a4~0 1)) (.cse10 (= ~a8~0 15))) (let ((.cse0 (or (and .cse13 .cse8 .cse15 .cse16 .cse10) (and .cse7 .cse8 .cse15 .cse16 (<= ~a25~0 9) .cse10))) (.cse22 (<= ~a29~0 275)) (.cse18 (<= 307 ~a23~0)) (.cse14 (<= ~a29~0 599999)) (.cse3 (<= 10 ~a25~0)) (.cse21 (<= ~a29~0 245)) (.cse11 (<= (+ ~a29~0 21) 0)) (.cse2 (not .cse20)) (.cse19 (or (= ~a25~0 13) .cse24)) (.cse4 (<= ~a29~0 140)) (.cse6 (< 0 .cse25)) (.cse1 (<= ~a23~0 138)) (.cse9 (<= ~a29~0 220)) (.cse17 (<= ~a29~0 384312)) (.cse5 (= ~a4~0 0)) (.cse23 (= ~a25~0 9)) (.cse12 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse1 .cse9 .cse10) (and .cse11 .cse3 .cse5 .cse7 .cse8 .cse9 .cse12 .cse10) (and .cse4 .cse5 .cse13 .cse8 .cse12 .cse10) (and .cse7 .cse14 .cse8 .cse15 .cse16 .cse10) (and .cse13 .cse14 .cse8 .cse16 .cse10) (and .cse7 .cse8 .cse16 (<= (+ ~a29~0 287232) 0) (<= 312 ~a23~0) .cse10) (and .cse3 (<= (+ 28300 ~a29~0) 0) .cse5 .cse7 .cse8 .cse10) (and .cse5 .cse13 .cse14 .cse8 .cse15 .cse12 .cse10) (and .cse0 (<= (+ ~a23~0 599772) 0)) (and .cse17 .cse18 .cse8 .cse16 .cse10 .cse19) (and .cse20 .cse8 .cse16 (<= 214883 ~a29~0) .cse10 (= ~a25~0 10)) (and .cse21 .cse8 .cse16 .cse10 .cse19) (and .cse22 .cse23 .cse8 .cse16 .cse10) (and .cse22 .cse24 .cse5 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse6 (<= 141 ~a29~0)) .cse8 .cse10) (and .cse3 .cse18 .cse7 .cse14 .cse8 .cse16 .cse10) (and .cse17 .cse8 .cse15 .cse16 .cse10 .cse19) (and .cse3 .cse7 .cse21 .cse8 .cse16 .cse10) (and .cse17 .cse23 .cse8 .cse16 .cse12 .cse10) (and .cse11 .cse5 .cse23 .cse8 .cse9 .cse12 .cse10) (and .cse11 .cse5 .cse8 .cse1 .cse2 .cse10 .cse19) (and .cse4 .cse5 .cse6 .cse23 .cse8 .cse1 .cse9 .cse10) (and .cse17 .cse5 (< 277 ~a29~0) .cse23 .cse8 .cse12 .cse10))))) [2022-11-21 16:32:35,123 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,123 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,123 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,123 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,123 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,124 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,124 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,124 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,124 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-11-21 16:32:35,124 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-11-21 16:32:35,124 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-21 16:32:35,125 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-11-21 16:32:35,125 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-11-21 16:32:35,125 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-11-21 16:32:35,125 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-11-21 16:32:35,125 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,125 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,125 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,126 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,126 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,126 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,126 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,126 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,126 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,127 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:32:35,127 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-11-21 16:32:35,127 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-11-21 16:32:35,127 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-21 16:32:35,127 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-11-21 16:32:35,127 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,128 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,128 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,128 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,128 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,128 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-21 16:32:35,128 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-11-21 16:32:35,129 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-21 16:32:35,129 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,129 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,129 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,129 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,129 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-11-21 16:32:35,129 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-11-21 16:32:35,130 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,130 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,130 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,130 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,130 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,131 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,131 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-11-21 16:32:35,131 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-11-21 16:32:35,131 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,131 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,131 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-21 16:32:35,131 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-11-21 16:32:35,132 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-11-21 16:32:35,132 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:32:35,132 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2022-11-21 16:32:35,132 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,132 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,132 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,133 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,133 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,133 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,133 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,133 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-11-21 16:32:35,133 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-11-21 16:32:35,134 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-11-21 16:32:35,134 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-11-21 16:32:35,134 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-11-21 16:32:35,134 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-11-21 16:32:35,134 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-11-21 16:32:35,134 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,134 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,135 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-11-21 16:32:35,135 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-11-21 16:32:35,135 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,135 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,135 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,135 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,136 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,136 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-11-21 16:32:35,136 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-11-21 16:32:35,136 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-11-21 16:32:35,136 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,136 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,136 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,137 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,137 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,137 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,137 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-11-21 16:32:35,137 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-11-21 16:32:35,137 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-21 16:32:35,138 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,138 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,138 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,138 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,138 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,138 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,138 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,139 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,139 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-11-21 16:32:35,139 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-11-21 16:32:35,139 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-11-21 16:32:35,139 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,139 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,140 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,140 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,140 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,140 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,140 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,140 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,140 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,141 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,141 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,141 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-11-21 16:32:35,141 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-11-21 16:32:35,141 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-21 16:32:35,141 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-21 16:32:35,142 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-11-21 16:32:35,142 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,142 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,142 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,142 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,142 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,142 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,143 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,143 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-11-21 16:32:35,143 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-11-21 16:32:35,143 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-11-21 16:32:35,143 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,143 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,144 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,144 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-11-21 16:32:35,144 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-11-21 16:32:35,144 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,144 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,144 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,144 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,145 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,145 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-11-21 16:32:35,145 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-11-21 16:32:35,145 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,145 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,145 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-11-21 16:32:35,145 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-11-21 16:32:35,146 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,146 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:32:35,146 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,146 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,146 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,146 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,147 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,147 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-11-21 16:32:35,147 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-11-21 16:32:35,147 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-11-21 16:32:35,147 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-11-21 16:32:35,147 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,147 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,148 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,148 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,148 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,148 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,148 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,148 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,148 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-11-21 16:32:35,149 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-11-21 16:32:35,149 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-11-21 16:32:35,149 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-11-21 16:32:35,149 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-11-21 16:32:35,149 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-11-21 16:32:35,149 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,150 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,150 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,150 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,150 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,150 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,150 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,151 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-21 16:32:35,151 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-11-21 16:32:35,151 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:32:35,151 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,151 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,151 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,151 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,152 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,152 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,152 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-11-21 16:32:35,152 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-11-21 16:32:35,152 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,152 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,153 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,153 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,153 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,153 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,153 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,153 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-11-21 16:32:35,153 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-11-21 16:32:35,154 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,154 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,154 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-21 16:32:35,154 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-11-21 16:32:35,154 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-21 16:32:35,154 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-11-21 16:32:35,158 INFO L444 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] [2022-11-21 16:32:35,160 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:32:35,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:32:35 BoogieIcfgContainer [2022-11-21 16:32:35,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:32:35,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:32:35,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:32:35,191 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:32:35,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:31:22" (3/4) ... [2022-11-21 16:32:35,195 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:32:35,236 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 16:32:35,237 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 16:32:35,238 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:32:35,240 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:32:35,367 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:32:35,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:32:35,368 INFO L158 Benchmark]: Toolchain (without parser) took 76181.79ms. Allocated memory was 132.1MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 90.5MB in the beginning and 968.8MB in the end (delta: -878.3MB). Peak memory consumption was 294.1MB. Max. memory is 16.1GB. [2022-11-21 16:32:35,369 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:32:35,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.33ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 90.1MB in the beginning and 128.7MB in the end (delta: -38.6MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2022-11-21 16:32:35,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.50ms. Allocated memory is still 169.9MB. Free memory was 128.7MB in the beginning and 111.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 16:32:35,369 INFO L158 Benchmark]: Boogie Preprocessor took 165.79ms. Allocated memory is still 169.9MB. Free memory was 111.9MB in the beginning and 102.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 16:32:35,370 INFO L158 Benchmark]: RCFGBuilder took 2028.00ms. Allocated memory is still 169.9MB. Free memory was 102.1MB in the beginning and 72.2MB in the end (delta: 29.9MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2022-11-21 16:32:35,370 INFO L158 Benchmark]: TraceAbstraction took 72764.44ms. Allocated memory was 169.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 71.2MB in the beginning and 984.8MB in the end (delta: -913.7MB). Peak memory consumption was 843.8MB. Max. memory is 16.1GB. [2022-11-21 16:32:35,370 INFO L158 Benchmark]: Witness Printer took 177.21ms. Allocated memory is still 1.3GB. Free memory was 984.8MB in the beginning and 968.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 16:32:35,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.33ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 90.1MB in the beginning and 128.7MB in the end (delta: -38.6MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 165.50ms. Allocated memory is still 169.9MB. Free memory was 128.7MB in the beginning and 111.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.79ms. Allocated memory is still 169.9MB. Free memory was 111.9MB in the beginning and 102.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2028.00ms. Allocated memory is still 169.9MB. Free memory was 102.1MB in the beginning and 72.2MB in the end (delta: 29.9MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * TraceAbstraction took 72764.44ms. Allocated memory was 169.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 71.2MB in the beginning and 984.8MB in the end (delta: -913.7MB). Peak memory consumption was 843.8MB. Max. memory is 16.1GB. * Witness Printer took 177.21ms. Allocated memory is still 1.3GB. Free memory was 984.8MB in the beginning and 968.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 82]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 72.6s, OverallIterations: 24, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 32.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5893 SdHoareTripleChecker+Valid, 29.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5893 mSDsluCounter, 4388 SdHoareTripleChecker+Invalid, 24.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 720 mSDsCounter, 3002 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21840 IncrementalHoareTripleChecker+Invalid, 24842 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3002 mSolverCounterUnsat, 3668 mSDtfsCounter, 21840 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1103 GetRequests, 1049 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21037occurred in iteration=18, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 24 MinimizatonAttempts, 31845 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 167 NumberOfFragments, 1135 HoareAnnotationTreeSize, 3 FomulaSimplifications, 40432 FormulaSimplificationTreeSizeReduction, 11.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 94988 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 7790 NumberOfCodeBlocks, 7790 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 7998 ConstructedInterpolants, 0 QuantifiedInterpolants, 23621 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1168 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 28 InterpolantComputations, 23 PerfectInterpolantSequences, 7555/7783 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a25 == 11 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) || (((((a25 <= 10 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a25 <= 9) && a8 == 15)) && a23 <= 138) && !(a23 + 43 <= 0)) || ((((((((10 <= a25 && a29 <= 140) && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || (((((((a29 + 21 <= 0 && 10 <= a25) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((a29 <= 140 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 <= 10 && a29 <= 599999) && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 <= 10 && a3 == 1) && a4 == 1) && a29 + 287232 <= 0) && 312 <= a23) && a8 == 15)) || (((((10 <= a25 && 28300 + a29 <= 0) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15)) || ((((((a4 == 0 && a25 == 11) && a29 <= 599999) && a3 == 1) && !(a29 <= 277)) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) || (((((a25 <= 10 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a25 <= 9) && a8 == 15)) && a23 + 599772 <= 0)) || (((((a29 <= 384312 && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || ((((a29 <= 245 && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((a29 <= 275 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && a4 == 0) && ((!(input == 1) || 0 < a23 + 43) || 141 <= a29)) && a3 == 1) && a8 == 15)) || ((((((10 <= a25 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((10 <= a25 && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a29 + 21 <= 0 && a4 == 0) && a25 == 9) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || ((((((a29 + 21 <= 0 && a4 == 0) && a3 == 1) && a23 <= 138) && !(a23 + 43 <= 0)) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || ((((((a29 <= 384312 && a4 == 0) && 277 < a29) && a25 == 9) && a3 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a25 == 11 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) || (((((a25 <= 10 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a25 <= 9) && a8 == 15)) && a23 <= 138) && !(a23 + 43 <= 0)) || ((((((((10 <= a25 && a29 <= 140) && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || (((((((a29 + 21 <= 0 && 10 <= a25) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((a29 <= 140 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 <= 10 && a29 <= 599999) && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 <= 10 && a3 == 1) && a4 == 1) && a29 + 287232 <= 0) && 312 <= a23) && a8 == 15)) || (((((10 <= a25 && 28300 + a29 <= 0) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15)) || ((((((a4 == 0 && a25 == 11) && a29 <= 599999) && a3 == 1) && !(a29 <= 277)) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) || (((((a25 <= 10 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a25 <= 9) && a8 == 15)) && a23 + 599772 <= 0)) || (((((a29 <= 384312 && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || ((((a29 <= 245 && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((a29 <= 275 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && a4 == 0) && ((!(input == 1) || 0 < a23 + 43) || 141 <= a29)) && a3 == 1) && a8 == 15)) || ((((((10 <= a25 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((10 <= a25 && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a29 + 21 <= 0 && a4 == 0) && a25 == 9) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || ((((((a29 + 21 <= 0 && a4 == 0) && a3 == 1) && a23 <= 138) && !(a23 + 43 <= 0)) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || ((((((a29 <= 384312 && a4 == 0) && 277 < a29) && a25 == 9) && a3 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-21 16:32:35,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae082e32-e516-4bc5-8e21-e5ae03c5c0ba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE