./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/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_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/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_26cc5a6c-9cfc-4153-8f50-fc87cd290301/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 536fb035d928713a90d5c84a48f9ef94bf2f10bc408883dd0d7e11d670c7e07b --- 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 09:15:06,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:15:06,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:15:06,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:15:06,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:15:06,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:15:06,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:15:06,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:15:06,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:15:06,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:15:06,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:15:06,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:15:06,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:15:06,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:15:06,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:15:06,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:15:06,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:15:06,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:15:06,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:15:06,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:15:06,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:15:06,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:15:06,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:15:06,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:15:06,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:15:06,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:15:06,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:15:06,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:15:06,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:15:06,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:15:06,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:15:06,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:15:06,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:15:06,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:15:06,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:15:06,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:15:06,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:15:06,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:15:06,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:15:06,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:15:06,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:15:06,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 09:15:06,490 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:15:06,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:15:06,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:15:06,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:15:06,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:15:06,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:15:06,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:15:06,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:15:06,495 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:15:06,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:15:06,497 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:15:06,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:15:06,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:15:06,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:15:06,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:15:06,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:15:06,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:15:06,499 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:15:06,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:15:06,499 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:15:06,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:15:06,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:15:06,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:15:06,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:15:06,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:15:06,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:15:06,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:15:06,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:15:06,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:15:06,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:15:06,504 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:15:06,504 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:15:06,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:15:06,505 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_26cc5a6c-9cfc-4153-8f50-fc87cd290301/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536fb035d928713a90d5c84a48f9ef94bf2f10bc408883dd0d7e11d670c7e07b [2022-11-21 09:15:06,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:15:06,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:15:06,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:15:06,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:15:06,915 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:15:06,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2022-11-21 09:15:10,092 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:15:10,475 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:15:10,476 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2022-11-21 09:15:10,489 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/data/8709af45d/add5a7dfd7cf4a80ad07c4e5fa160b97/FLAG18a8e0921 [2022-11-21 09:15:10,505 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/data/8709af45d/add5a7dfd7cf4a80ad07c4e5fa160b97 [2022-11-21 09:15:10,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:15:10,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:15:10,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:15:10,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:15:10,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:15:10,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:15:10" (1/1) ... [2022-11-21 09:15:10,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3373b2e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:10, skipping insertion in model container [2022-11-21 09:15:10,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:15:10" (1/1) ... [2022-11-21 09:15:10,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:15:10,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:15:10,805 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_26cc5a6c-9cfc-4153-8f50-fc87cd290301/sv-benchmarks/c/eca-rers2012/Problem11_label53.c[6841,6854] [2022-11-21 09:15:11,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:15:11,180 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:15:11,219 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_26cc5a6c-9cfc-4153-8f50-fc87cd290301/sv-benchmarks/c/eca-rers2012/Problem11_label53.c[6841,6854] [2022-11-21 09:15:11,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:15:11,472 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:15:11,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11 WrapperNode [2022-11-21 09:15:11,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:15:11,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:15:11,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:15:11,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:15:11,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,640 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-11-21 09:15:11,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:15:11,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:15:11,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:15:11,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:15:11,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:15:11,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:15:11,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:15:11,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:15:11,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (1/1) ... [2022-11-21 09:15:11,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:15:11,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:11,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:11,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:15:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:15:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:15:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:15:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:15:12,051 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:15:12,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:15:14,235 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:15:14,262 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:15:14,262 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 09:15:14,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:15:14 BoogieIcfgContainer [2022-11-21 09:15:14,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:15:14,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:15:14,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:15:14,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:15:14,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:15:10" (1/3) ... [2022-11-21 09:15:14,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ff98d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:15:14, skipping insertion in model container [2022-11-21 09:15:14,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:11" (2/3) ... [2022-11-21 09:15:14,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ff98d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:15:14, skipping insertion in model container [2022-11-21 09:15:14,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:15:14" (3/3) ... [2022-11-21 09:15:14,292 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label53.c [2022-11-21 09:15:14,317 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:15:14,318 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 09:15:14,427 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:15:14,436 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;@10b69240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:15:14,437 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 09:15:14,447 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 09:15:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 09:15:14,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:14,460 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, 1, 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 09:15:14,461 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:14,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:14,470 INFO L85 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2022-11-21 09:15:14,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:14,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715053575] [2022-11-21 09:15:14,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:15,086 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 09:15:15,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:15,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715053575] [2022-11-21 09:15:15,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715053575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:15,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:15,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:15:15,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092809484] [2022-11-21 09:15:15,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:15,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:15,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:15,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:15,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:15,149 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 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 09:15:16,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:16,533 INFO L93 Difference]: Finished difference Result 769 states and 1360 transitions. [2022-11-21 09:15:16,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:16,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-11-21 09:15:16,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:16,550 INFO L225 Difference]: With dead ends: 769 [2022-11-21 09:15:16,551 INFO L226 Difference]: Without dead ends: 422 [2022-11-21 09:15:16,555 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 09:15:16,559 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 193 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:16,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 163 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-21 09:15:16,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-11-21 09:15:16,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2022-11-21 09:15:16,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.5231143552311435) internal successors, (626), 411 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2022-11-21 09:15:16,681 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 47 [2022-11-21 09:15:16,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:16,683 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2022-11-21 09:15:16,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 09:15:16,683 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2022-11-21 09:15:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-21 09:15:16,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:16,695 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 09:15:16,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:15:16,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:16,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:16,696 INFO L85 PathProgramCache]: Analyzing trace with hash 822269331, now seen corresponding path program 1 times [2022-11-21 09:15:16,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:16,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20657374] [2022-11-21 09:15:16,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:16,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:15:16,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:16,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20657374] [2022-11-21 09:15:16,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20657374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:16,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:16,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:15:16,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317395562] [2022-11-21 09:15:16,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:16,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:16,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:16,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:16,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:16,973 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 09:15:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:18,000 INFO L93 Difference]: Finished difference Result 1194 states and 1821 transitions. [2022-11-21 09:15:18,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:18,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-11-21 09:15:18,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:18,006 INFO L225 Difference]: With dead ends: 1194 [2022-11-21 09:15:18,006 INFO L226 Difference]: Without dead ends: 784 [2022-11-21 09:15:18,008 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 09:15:18,009 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 175 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:18,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 154 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 09:15:18,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2022-11-21 09:15:18,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2022-11-21 09:15:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 1.3742017879948913) internal successors, (1076), 783 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1076 transitions. [2022-11-21 09:15:18,039 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1076 transitions. Word has length 113 [2022-11-21 09:15:18,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:18,040 INFO L495 AbstractCegarLoop]: Abstraction has 784 states and 1076 transitions. [2022-11-21 09:15:18,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 09:15:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1076 transitions. [2022-11-21 09:15:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-21 09:15:18,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:18,043 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 09:15:18,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:15:18,043 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:18,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:18,044 INFO L85 PathProgramCache]: Analyzing trace with hash -995772387, now seen corresponding path program 1 times [2022-11-21 09:15:18,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:18,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225326407] [2022-11-21 09:15:18,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:18,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:15:18,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:18,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225326407] [2022-11-21 09:15:18,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225326407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:18,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:18,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:15:18,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029794060] [2022-11-21 09:15:18,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:18,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:18,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:18,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:18,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:18,518 INFO L87 Difference]: Start difference. First operand 784 states and 1076 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 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 09:15:19,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:19,684 INFO L93 Difference]: Finished difference Result 1936 states and 2599 transitions. [2022-11-21 09:15:19,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:19,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-11-21 09:15:19,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:19,690 INFO L225 Difference]: With dead ends: 1936 [2022-11-21 09:15:19,691 INFO L226 Difference]: Without dead ends: 1154 [2022-11-21 09:15:19,692 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 09:15:19,694 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:19,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-21 09:15:19,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2022-11-21 09:15:19,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1153. [2022-11-21 09:15:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.2699652777777777) internal successors, (1463), 1152 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:19,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1463 transitions. [2022-11-21 09:15:19,740 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1463 transitions. Word has length 117 [2022-11-21 09:15:19,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:19,741 INFO L495 AbstractCegarLoop]: Abstraction has 1153 states and 1463 transitions. [2022-11-21 09:15:19,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 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 09:15:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1463 transitions. [2022-11-21 09:15:19,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-21 09:15:19,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:19,744 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:15:19,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:15:19,745 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:19,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:19,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1474139372, now seen corresponding path program 1 times [2022-11-21 09:15:19,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:19,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095302953] [2022-11-21 09:15:19,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:19,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:15:20,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:20,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095302953] [2022-11-21 09:15:20,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095302953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:20,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:20,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:15:20,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847036799] [2022-11-21 09:15:20,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:20,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:20,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:20,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:20,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:20,035 INFO L87 Difference]: Start difference. First operand 1153 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 09:15:21,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:21,143 INFO L93 Difference]: Finished difference Result 2679 states and 3481 transitions. [2022-11-21 09:15:21,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:21,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2022-11-21 09:15:21,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:21,154 INFO L225 Difference]: With dead ends: 2679 [2022-11-21 09:15:21,154 INFO L226 Difference]: Without dead ends: 1712 [2022-11-21 09:15:21,158 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 09:15:21,165 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 159 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:21,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 332 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 09:15:21,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2022-11-21 09:15:21,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1521. [2022-11-21 09:15:21,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1520 states have (on average 1.255921052631579) internal successors, (1909), 1520 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1909 transitions. [2022-11-21 09:15:21,215 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1909 transitions. Word has length 159 [2022-11-21 09:15:21,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:21,217 INFO L495 AbstractCegarLoop]: Abstraction has 1521 states and 1909 transitions. [2022-11-21 09:15:21,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 09:15:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1909 transitions. [2022-11-21 09:15:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-21 09:15:21,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:21,227 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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 09:15:21,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:15:21,228 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:21,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:21,230 INFO L85 PathProgramCache]: Analyzing trace with hash -47300224, now seen corresponding path program 1 times [2022-11-21 09:15:21,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:21,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656173269] [2022-11-21 09:15:21,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:21,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-21 09:15:21,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:21,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656173269] [2022-11-21 09:15:21,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656173269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:21,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:21,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:15:21,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684467993] [2022-11-21 09:15:21,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:21,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:21,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:21,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:21,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:21,526 INFO L87 Difference]: Start difference. First operand 1521 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 09:15:22,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:22,599 INFO L93 Difference]: Finished difference Result 3597 states and 4559 transitions. [2022-11-21 09:15:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:22,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 229 [2022-11-21 09:15:22,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:22,609 INFO L225 Difference]: With dead ends: 3597 [2022-11-21 09:15:22,609 INFO L226 Difference]: Without dead ends: 2078 [2022-11-21 09:15:22,611 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 09:15:22,615 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 150 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:22,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 391 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 09:15:22,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2022-11-21 09:15:22,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1889. [2022-11-21 09:15:22,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1888 states have (on average 1.2473516949152543) internal successors, (2355), 1888 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2355 transitions. [2022-11-21 09:15:22,658 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2355 transitions. Word has length 229 [2022-11-21 09:15:22,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:22,659 INFO L495 AbstractCegarLoop]: Abstraction has 1889 states and 2355 transitions. [2022-11-21 09:15:22,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 09:15:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2355 transitions. [2022-11-21 09:15:22,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-21 09:15:22,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:22,665 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 09:15:22,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:15:22,666 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:22,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:22,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1662120667, now seen corresponding path program 1 times [2022-11-21 09:15:22,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:22,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505708093] [2022-11-21 09:15:22,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:22,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:15:23,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:23,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505708093] [2022-11-21 09:15:23,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505708093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:23,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:23,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:15:23,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427277518] [2022-11-21 09:15:23,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:23,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:23,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:23,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:23,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:23,086 INFO L87 Difference]: Start difference. First operand 1889 states and 2355 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 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 09:15:24,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:24,120 INFO L93 Difference]: Finished difference Result 5075 states and 6326 transitions. [2022-11-21 09:15:24,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:24,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 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 256 [2022-11-21 09:15:24,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:24,132 INFO L225 Difference]: With dead ends: 5075 [2022-11-21 09:15:24,133 INFO L226 Difference]: Without dead ends: 3188 [2022-11-21 09:15:24,135 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 09:15:24,136 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 121 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:24,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 142 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 09:15:24,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2022-11-21 09:15:24,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 3186. [2022-11-21 09:15:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 3185 states have (on average 1.2156985871271586) internal successors, (3872), 3185 states have internal predecessors, (3872), 0 states have call successors, (0), 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 09:15:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 3872 transitions. [2022-11-21 09:15:24,206 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 3872 transitions. Word has length 256 [2022-11-21 09:15:24,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:24,207 INFO L495 AbstractCegarLoop]: Abstraction has 3186 states and 3872 transitions. [2022-11-21 09:15:24,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 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 09:15:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 3872 transitions. [2022-11-21 09:15:24,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-21 09:15:24,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:24,214 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 09:15:24,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 09:15:24,214 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:24,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:24,215 INFO L85 PathProgramCache]: Analyzing trace with hash -287769023, now seen corresponding path program 1 times [2022-11-21 09:15:24,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:24,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432875360] [2022-11-21 09:15:24,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:24,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-21 09:15:24,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:24,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432875360] [2022-11-21 09:15:24,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432875360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:24,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:24,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:15:24,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244800657] [2022-11-21 09:15:24,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:24,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:24,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:24,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:24,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:24,758 INFO L87 Difference]: Start difference. First operand 3186 states and 3872 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 09:15:25,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:25,853 INFO L93 Difference]: Finished difference Result 6928 states and 8407 transitions. [2022-11-21 09:15:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:25,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 265 [2022-11-21 09:15:25,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:25,871 INFO L225 Difference]: With dead ends: 6928 [2022-11-21 09:15:25,871 INFO L226 Difference]: Without dead ends: 3744 [2022-11-21 09:15:25,875 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 09:15:25,878 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 173 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:25,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 140 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 09:15:25,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-11-21 09:15:25,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3186. [2022-11-21 09:15:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 3185 states have (on average 1.2156985871271586) internal successors, (3872), 3185 states have internal predecessors, (3872), 0 states have call successors, (0), 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 09:15:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 3872 transitions. [2022-11-21 09:15:25,959 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 3872 transitions. Word has length 265 [2022-11-21 09:15:25,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:25,960 INFO L495 AbstractCegarLoop]: Abstraction has 3186 states and 3872 transitions. [2022-11-21 09:15:25,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 09:15:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 3872 transitions. [2022-11-21 09:15:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-21 09:15:25,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:25,966 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 09:15:25,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 09:15:25,967 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:25,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:25,967 INFO L85 PathProgramCache]: Analyzing trace with hash -592217694, now seen corresponding path program 1 times [2022-11-21 09:15:25,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:25,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495893877] [2022-11-21 09:15:25,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:25,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:26,815 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:15:26,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:26,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495893877] [2022-11-21 09:15:26,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495893877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:26,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:26,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 09:15:26,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559197248] [2022-11-21 09:15:26,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:26,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 09:15:26,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:26,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 09:15:26,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:15:26,818 INFO L87 Difference]: Start difference. First operand 3186 states and 3872 transitions. Second operand has 5 states, 5 states have (on average 53.2) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 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 09:15:29,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:29,411 INFO L93 Difference]: Finished difference Result 11357 states and 13866 transitions. [2022-11-21 09:15:29,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 09:15:29,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 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 266 [2022-11-21 09:15:29,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:29,441 INFO L225 Difference]: With dead ends: 11357 [2022-11-21 09:15:29,441 INFO L226 Difference]: Without dead ends: 8173 [2022-11-21 09:15:29,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:15:29,448 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 383 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 2206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:29,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 151 Invalid, 2206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 1888 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-21 09:15:29,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8173 states. [2022-11-21 09:15:29,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8173 to 7978. [2022-11-21 09:15:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7978 states, 7977 states have (on average 1.184655885671305) internal successors, (9450), 7977 states have internal predecessors, (9450), 0 states have call successors, (0), 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 09:15:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7978 states to 7978 states and 9450 transitions. [2022-11-21 09:15:29,671 INFO L78 Accepts]: Start accepts. Automaton has 7978 states and 9450 transitions. Word has length 266 [2022-11-21 09:15:29,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:29,672 INFO L495 AbstractCegarLoop]: Abstraction has 7978 states and 9450 transitions. [2022-11-21 09:15:29,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 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 09:15:29,672 INFO L276 IsEmpty]: Start isEmpty. Operand 7978 states and 9450 transitions. [2022-11-21 09:15:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-21 09:15:29,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:29,679 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 09:15:29,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 09:15:29,680 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:29,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:29,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1968548590, now seen corresponding path program 1 times [2022-11-21 09:15:29,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:29,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227255142] [2022-11-21 09:15:29,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:29,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:15:29,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:29,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227255142] [2022-11-21 09:15:29,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227255142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:29,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:29,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:15:29,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929483447] [2022-11-21 09:15:29,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:29,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:29,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:29,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:29,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:29,945 INFO L87 Difference]: Start difference. First operand 7978 states and 9450 transitions. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 09:15:30,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:30,941 INFO L93 Difference]: Finished difference Result 15584 states and 18510 transitions. [2022-11-21 09:15:30,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:30,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 09:15:30,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:30,981 INFO L225 Difference]: With dead ends: 15584 [2022-11-21 09:15:30,981 INFO L226 Difference]: Without dead ends: 7976 [2022-11-21 09:15:30,989 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 09:15:30,990 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 136 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:30,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 304 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 09:15:31,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7976 states. [2022-11-21 09:15:31,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7976 to 7792. [2022-11-21 09:15:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7792 states, 7791 states have (on average 1.145295854190733) internal successors, (8923), 7791 states have internal predecessors, (8923), 0 states have call successors, (0), 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 09:15:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7792 states to 7792 states and 8923 transitions. [2022-11-21 09:15:31,162 INFO L78 Accepts]: Start accepts. Automaton has 7792 states and 8923 transitions. Word has length 271 [2022-11-21 09:15:31,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:31,163 INFO L495 AbstractCegarLoop]: Abstraction has 7792 states and 8923 transitions. [2022-11-21 09:15:31,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 09:15:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 7792 states and 8923 transitions. [2022-11-21 09:15:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-21 09:15:31,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:31,171 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:15:31,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 09:15:31,171 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:31,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:31,172 INFO L85 PathProgramCache]: Analyzing trace with hash 63284525, now seen corresponding path program 1 times [2022-11-21 09:15:31,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:31,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771428906] [2022-11-21 09:15:31,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:31,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:15:31,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:31,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771428906] [2022-11-21 09:15:31,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771428906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:31,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:31,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 09:15:31,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538215318] [2022-11-21 09:15:31,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:31,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:15:31,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:31,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:15:31,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:15:31,659 INFO L87 Difference]: Start difference. First operand 7792 states and 8923 transitions. Second operand has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 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 09:15:33,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:33,337 INFO L93 Difference]: Finished difference Result 17060 states and 19558 transitions. [2022-11-21 09:15:33,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:15:33,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-11-21 09:15:33,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:33,358 INFO L225 Difference]: With dead ends: 17060 [2022-11-21 09:15:33,358 INFO L226 Difference]: Without dead ends: 9638 [2022-11-21 09:15:33,367 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 09:15:33,368 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 270 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:33,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 96 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-21 09:15:33,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9638 states. [2022-11-21 09:15:33,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9638 to 9632. [2022-11-21 09:15:33,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9632 states, 9631 states have (on average 1.1318658498598277) internal successors, (10901), 9631 states have internal predecessors, (10901), 0 states have call successors, (0), 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 09:15:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9632 states to 9632 states and 10901 transitions. [2022-11-21 09:15:33,634 INFO L78 Accepts]: Start accepts. Automaton has 9632 states and 10901 transitions. Word has length 283 [2022-11-21 09:15:33,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:33,635 INFO L495 AbstractCegarLoop]: Abstraction has 9632 states and 10901 transitions. [2022-11-21 09:15:33,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 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 09:15:33,636 INFO L276 IsEmpty]: Start isEmpty. Operand 9632 states and 10901 transitions. [2022-11-21 09:15:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-11-21 09:15:33,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:33,646 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:15:33,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 09:15:33,647 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:33,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:33,648 INFO L85 PathProgramCache]: Analyzing trace with hash 240124637, now seen corresponding path program 1 times [2022-11-21 09:15:33,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:33,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884815371] [2022-11-21 09:15:33,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:33,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-21 09:15:33,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:33,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884815371] [2022-11-21 09:15:33,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884815371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:33,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:33,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:15:33,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101369441] [2022-11-21 09:15:33,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:33,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:33,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:33,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:33,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:33,895 INFO L87 Difference]: Start difference. First operand 9632 states and 10901 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:35,005 INFO L93 Difference]: Finished difference Result 19631 states and 22247 transitions. [2022-11-21 09:15:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:35,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 315 [2022-11-21 09:15:35,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:35,026 INFO L225 Difference]: With dead ends: 19631 [2022-11-21 09:15:35,026 INFO L226 Difference]: Without dead ends: 10369 [2022-11-21 09:15:35,035 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 09:15:35,036 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 172 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:35,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 124 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 09:15:35,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10369 states. [2022-11-21 09:15:35,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10369 to 8888. [2022-11-21 09:15:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8888 states, 8887 states have (on average 1.1301901654101496) internal successors, (10044), 8887 states have internal predecessors, (10044), 0 states have call successors, (0), 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 09:15:35,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8888 states to 8888 states and 10044 transitions. [2022-11-21 09:15:35,228 INFO L78 Accepts]: Start accepts. Automaton has 8888 states and 10044 transitions. Word has length 315 [2022-11-21 09:15:35,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:35,229 INFO L495 AbstractCegarLoop]: Abstraction has 8888 states and 10044 transitions. [2022-11-21 09:15:35,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 8888 states and 10044 transitions. [2022-11-21 09:15:35,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-11-21 09:15:35,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:35,252 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 09:15:35,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 09:15:35,253 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:35,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:35,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1241149180, now seen corresponding path program 1 times [2022-11-21 09:15:35,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:35,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082244972] [2022-11-21 09:15:35,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:35,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:35,851 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-21 09:15:35,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:35,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082244972] [2022-11-21 09:15:35,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082244972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:35,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:35,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:15:35,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321170030] [2022-11-21 09:15:35,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:35,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:35,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:35,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:35,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:35,855 INFO L87 Difference]: Start difference. First operand 8888 states and 10044 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 09:15:36,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:36,931 INFO L93 Difference]: Finished difference Result 18334 states and 20776 transitions. [2022-11-21 09:15:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:36,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 412 [2022-11-21 09:15:36,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:36,949 INFO L225 Difference]: With dead ends: 18334 [2022-11-21 09:15:36,950 INFO L226 Difference]: Without dead ends: 9816 [2022-11-21 09:15:36,957 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 09:15:36,958 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 65 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:36,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 363 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 09:15:36,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9816 states. [2022-11-21 09:15:37,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9816 to 9813. [2022-11-21 09:15:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9813 states, 9812 states have (on average 1.1271911944557684) internal successors, (11060), 9812 states have internal predecessors, (11060), 0 states have call successors, (0), 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 09:15:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9813 states to 9813 states and 11060 transitions. [2022-11-21 09:15:37,124 INFO L78 Accepts]: Start accepts. Automaton has 9813 states and 11060 transitions. Word has length 412 [2022-11-21 09:15:37,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:37,125 INFO L495 AbstractCegarLoop]: Abstraction has 9813 states and 11060 transitions. [2022-11-21 09:15:37,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 09:15:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 9813 states and 11060 transitions. [2022-11-21 09:15:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-11-21 09:15:37,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:37,143 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:15:37,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 09:15:37,143 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:37,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:37,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1908588689, now seen corresponding path program 1 times [2022-11-21 09:15:37,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:37,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402485636] [2022-11-21 09:15:37,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:37,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:38,504 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 462 proven. 78 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-21 09:15:38,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:38,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402485636] [2022-11-21 09:15:38,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402485636] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:15:38,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532637320] [2022-11-21 09:15:38,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:38,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:15:38,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:38,514 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:15:38,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 09:15:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:38,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:15:38,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:15:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-21 09:15:39,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 09:15:39,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532637320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:39,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 09:15:39,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-21 09:15:39,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784483037] [2022-11-21 09:15:39,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:39,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:39,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:39,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:39,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:15:39,276 INFO L87 Difference]: Start difference. First operand 9813 states and 11060 transitions. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 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 09:15:40,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:40,154 INFO L93 Difference]: Finished difference Result 19441 states and 21929 transitions. [2022-11-21 09:15:40,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:40,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 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 416 [2022-11-21 09:15:40,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:40,174 INFO L225 Difference]: With dead ends: 19441 [2022-11-21 09:15:40,174 INFO L226 Difference]: Without dead ends: 9998 [2022-11-21 09:15:40,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:15:40,184 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 127 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:40,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 173 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 09:15:40,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9998 states. [2022-11-21 09:15:40,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9998 to 9813. [2022-11-21 09:15:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9813 states, 9812 states have (on average 1.1229107215654301) internal successors, (11018), 9812 states have internal predecessors, (11018), 0 states have call successors, (0), 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 09:15:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9813 states to 9813 states and 11018 transitions. [2022-11-21 09:15:40,336 INFO L78 Accepts]: Start accepts. Automaton has 9813 states and 11018 transitions. Word has length 416 [2022-11-21 09:15:40,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:40,337 INFO L495 AbstractCegarLoop]: Abstraction has 9813 states and 11018 transitions. [2022-11-21 09:15:40,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 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 09:15:40,338 INFO L276 IsEmpty]: Start isEmpty. Operand 9813 states and 11018 transitions. [2022-11-21 09:15:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-11-21 09:15:40,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:40,356 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:15:40,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 09:15:40,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-21 09:15:40,564 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:40,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:40,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1076489507, now seen corresponding path program 1 times [2022-11-21 09:15:40,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:40,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466494541] [2022-11-21 09:15:40,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:40,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:42,234 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 393 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-21 09:15:42,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:42,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466494541] [2022-11-21 09:15:42,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466494541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:42,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:42,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:15:42,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871593020] [2022-11-21 09:15:42,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:42,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:15:42,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:42,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:15:42,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:15:42,243 INFO L87 Difference]: Start difference. First operand 9813 states and 11018 transitions. Second operand has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 6 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:44,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:44,423 INFO L93 Difference]: Finished difference Result 22949 states and 25728 transitions. [2022-11-21 09:15:44,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 09:15:44,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 6 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 417 [2022-11-21 09:15:44,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:44,449 INFO L225 Difference]: With dead ends: 22949 [2022-11-21 09:15:44,449 INFO L226 Difference]: Without dead ends: 13506 [2022-11-21 09:15:44,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-21 09:15:44,459 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 315 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:44,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 218 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-21 09:15:44,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13506 states. [2022-11-21 09:15:44,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13506 to 12944. [2022-11-21 09:15:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12944 states, 12943 states have (on average 1.1209920420304411) internal successors, (14509), 12943 states have internal predecessors, (14509), 0 states have call successors, (0), 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 09:15:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12944 states to 12944 states and 14509 transitions. [2022-11-21 09:15:44,659 INFO L78 Accepts]: Start accepts. Automaton has 12944 states and 14509 transitions. Word has length 417 [2022-11-21 09:15:44,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:44,660 INFO L495 AbstractCegarLoop]: Abstraction has 12944 states and 14509 transitions. [2022-11-21 09:15:44,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 6 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 12944 states and 14509 transitions. [2022-11-21 09:15:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-11-21 09:15:44,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:44,680 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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] [2022-11-21 09:15:44,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 09:15:44,680 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:44,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:44,681 INFO L85 PathProgramCache]: Analyzing trace with hash 835183340, now seen corresponding path program 1 times [2022-11-21 09:15:44,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:44,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946275036] [2022-11-21 09:15:44,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:44,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-21 09:15:45,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:45,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946275036] [2022-11-21 09:15:45,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946275036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:45,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:45,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:15:45,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555367274] [2022-11-21 09:15:45,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:45,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:45,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:45,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:45,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:45,258 INFO L87 Difference]: Start difference. First operand 12944 states and 14509 transitions. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:46,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:46,402 INFO L93 Difference]: Finished difference Result 28094 states and 31494 transitions. [2022-11-21 09:15:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:46,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 418 [2022-11-21 09:15:46,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:46,429 INFO L225 Difference]: With dead ends: 28094 [2022-11-21 09:15:46,429 INFO L226 Difference]: Without dead ends: 13491 [2022-11-21 09:15:46,440 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 09:15:46,441 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 122 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:46,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 323 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 09:15:46,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13491 states. [2022-11-21 09:15:46,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13491 to 13491. [2022-11-21 09:15:46,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13491 states, 13490 states have (on average 1.1066716085989623) internal successors, (14929), 13490 states have internal predecessors, (14929), 0 states have call successors, (0), 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 09:15:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13491 states to 13491 states and 14929 transitions. [2022-11-21 09:15:46,652 INFO L78 Accepts]: Start accepts. Automaton has 13491 states and 14929 transitions. Word has length 418 [2022-11-21 09:15:46,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:46,653 INFO L495 AbstractCegarLoop]: Abstraction has 13491 states and 14929 transitions. [2022-11-21 09:15:46,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:46,654 INFO L276 IsEmpty]: Start isEmpty. Operand 13491 states and 14929 transitions. [2022-11-21 09:15:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-11-21 09:15:46,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:46,671 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:15:46,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 09:15:46,672 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:46,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:46,673 INFO L85 PathProgramCache]: Analyzing trace with hash -740708408, now seen corresponding path program 1 times [2022-11-21 09:15:46,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:46,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769158119] [2022-11-21 09:15:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:46,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-11-21 09:15:47,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:47,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769158119] [2022-11-21 09:15:47,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769158119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:47,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:47,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:15:47,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785080526] [2022-11-21 09:15:47,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:47,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:15:47,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:47,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:15:47,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:15:47,052 INFO L87 Difference]: Start difference. First operand 13491 states and 14929 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 09:15:48,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:48,118 INFO L93 Difference]: Finished difference Result 27899 states and 30921 transitions. [2022-11-21 09:15:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:15:48,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 426 [2022-11-21 09:15:48,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:48,152 INFO L225 Difference]: With dead ends: 27899 [2022-11-21 09:15:48,153 INFO L226 Difference]: Without dead ends: 14778 [2022-11-21 09:15:48,161 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 09:15:48,161 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 199 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:48,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 341 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 09:15:48,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14778 states. [2022-11-21 09:15:48,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14778 to 14594. [2022-11-21 09:15:48,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14594 states, 14593 states have (on average 1.1035427944905092) internal successors, (16104), 14593 states have internal predecessors, (16104), 0 states have call successors, (0), 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 09:15:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14594 states to 14594 states and 16104 transitions. [2022-11-21 09:15:48,396 INFO L78 Accepts]: Start accepts. Automaton has 14594 states and 16104 transitions. Word has length 426 [2022-11-21 09:15:48,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:48,397 INFO L495 AbstractCegarLoop]: Abstraction has 14594 states and 16104 transitions. [2022-11-21 09:15:48,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 09:15:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 14594 states and 16104 transitions. [2022-11-21 09:15:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-11-21 09:15:48,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:48,420 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:15:48,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 09:15:48,421 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:48,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:48,422 INFO L85 PathProgramCache]: Analyzing trace with hash -406320324, now seen corresponding path program 1 times [2022-11-21 09:15:48,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:48,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623291846] [2022-11-21 09:15:48,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:48,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 395 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-21 09:15:50,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:50,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623291846] [2022-11-21 09:15:50,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623291846] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:15:50,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233950974] [2022-11-21 09:15:50,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:50,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:15:50,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:50,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:15:50,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 09:15:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:50,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:15:50,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:15:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 282 proven. 121 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-21 09:15:51,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:15:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 282 proven. 121 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-21 09:15:53,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233950974] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 09:15:53,391 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 09:15:53,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 10 [2022-11-21 09:15:53,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794410992] [2022-11-21 09:15:53,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 09:15:53,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 09:15:53,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:15:53,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 09:15:53,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-21 09:15:53,395 INFO L87 Difference]: Start difference. First operand 14594 states and 16104 transitions. Second operand has 11 states, 11 states have (on average 86.45454545454545) internal successors, (951), 10 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:59,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:15:59,213 INFO L93 Difference]: Finished difference Result 36078 states and 39539 transitions. [2022-11-21 09:15:59,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-21 09:15:59,214 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 86.45454545454545) internal successors, (951), 10 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 427 [2022-11-21 09:15:59,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:15:59,245 INFO L225 Difference]: With dead ends: 36078 [2022-11-21 09:15:59,246 INFO L226 Difference]: Without dead ends: 21104 [2022-11-21 09:15:59,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 850 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=326, Invalid=864, Unknown=0, NotChecked=0, Total=1190 [2022-11-21 09:15:59,263 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 1228 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 4509 mSolverCounterSat, 720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 5229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 720 IncrementalHoareTripleChecker+Valid, 4509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-21 09:15:59,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1228 Valid, 225 Invalid, 5229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [720 Valid, 4509 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-21 09:15:59,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21104 states. [2022-11-21 09:15:59,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21104 to 11090. [2022-11-21 09:15:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11090 states, 11089 states have (on average 1.076111461809) internal successors, (11933), 11089 states have internal predecessors, (11933), 0 states have call successors, (0), 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 09:15:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11090 states to 11090 states and 11933 transitions. [2022-11-21 09:15:59,497 INFO L78 Accepts]: Start accepts. Automaton has 11090 states and 11933 transitions. Word has length 427 [2022-11-21 09:15:59,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:15:59,498 INFO L495 AbstractCegarLoop]: Abstraction has 11090 states and 11933 transitions. [2022-11-21 09:15:59,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 86.45454545454545) internal successors, (951), 10 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 11090 states and 11933 transitions. [2022-11-21 09:15:59,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-11-21 09:15:59,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:15:59,514 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:15:59,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 09:15:59,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-21 09:15:59,721 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:15:59,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:59,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1378519044, now seen corresponding path program 1 times [2022-11-21 09:15:59,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:59,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629088593] [2022-11-21 09:15:59,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:59,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-11-21 09:16:00,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:16:00,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629088593] [2022-11-21 09:16:00,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629088593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:16:00,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:16:00,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:16:00,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723969266] [2022-11-21 09:16:00,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:16:00,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:16:00,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:16:00,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:16:00,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:16:00,032 INFO L87 Difference]: Start difference. First operand 11090 states and 11933 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 09:16:00,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:16:00,904 INFO L93 Difference]: Finished difference Result 23281 states and 25088 transitions. [2022-11-21 09:16:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:16:00,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 09:16:00,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:16:00,921 INFO L225 Difference]: With dead ends: 23281 [2022-11-21 09:16:00,921 INFO L226 Difference]: Without dead ends: 12561 [2022-11-21 09:16:00,928 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 09:16:00,929 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 173 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 09:16:00,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 115 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 09:16:00,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12561 states. [2022-11-21 09:16:01,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12561 to 10905. [2022-11-21 09:16:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10905 states, 10904 states have (on average 1.0768525311812178) internal successors, (11742), 10904 states have internal predecessors, (11742), 0 states have call successors, (0), 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 09:16:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10905 states to 10905 states and 11742 transitions. [2022-11-21 09:16:01,111 INFO L78 Accepts]: Start accepts. Automaton has 10905 states and 11742 transitions. Word has length 438 [2022-11-21 09:16:01,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:16:01,112 INFO L495 AbstractCegarLoop]: Abstraction has 10905 states and 11742 transitions. [2022-11-21 09:16:01,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 09:16:01,112 INFO L276 IsEmpty]: Start isEmpty. Operand 10905 states and 11742 transitions. [2022-11-21 09:16:01,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2022-11-21 09:16:01,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:16:01,123 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:16:01,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 09:16:01,123 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:16:01,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:01,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1889494746, now seen corresponding path program 1 times [2022-11-21 09:16:01,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:01,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283150992] [2022-11-21 09:16:01,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:01,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:01,709 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:16:01,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:16:01,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283150992] [2022-11-21 09:16:01,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283150992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:16:01,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:16:01,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 09:16:01,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089392062] [2022-11-21 09:16:01,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:16:01,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:16:01,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:16:01,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:16:01,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:16:01,714 INFO L87 Difference]: Start difference. First operand 10905 states and 11742 transitions. Second operand has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 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 09:16:03,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:16:03,107 INFO L93 Difference]: Finished difference Result 24024 states and 25873 transitions. [2022-11-21 09:16:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:16:03,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 449 [2022-11-21 09:16:03,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:16:03,127 INFO L225 Difference]: With dead ends: 24024 [2022-11-21 09:16:03,127 INFO L226 Difference]: Without dead ends: 13489 [2022-11-21 09:16:03,134 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 09:16:03,135 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 174 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:16:03,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 58 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-21 09:16:03,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13489 states. [2022-11-21 09:16:03,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13489 to 11827. [2022-11-21 09:16:03,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11827 states, 11826 states have (on average 1.0722137662776932) internal successors, (12680), 11826 states have internal predecessors, (12680), 0 states have call successors, (0), 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 09:16:03,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11827 states to 11827 states and 12680 transitions. [2022-11-21 09:16:03,354 INFO L78 Accepts]: Start accepts. Automaton has 11827 states and 12680 transitions. Word has length 449 [2022-11-21 09:16:03,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:16:03,355 INFO L495 AbstractCegarLoop]: Abstraction has 11827 states and 12680 transitions. [2022-11-21 09:16:03,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 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 09:16:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 11827 states and 12680 transitions. [2022-11-21 09:16:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-11-21 09:16:03,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:16:03,368 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-21 09:16:03,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 09:16:03,369 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:16:03,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:03,369 INFO L85 PathProgramCache]: Analyzing trace with hash 630362065, now seen corresponding path program 1 times [2022-11-21 09:16:03,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:03,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068761684] [2022-11-21 09:16:03,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:03,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-21 09:16:03,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:16:03,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068761684] [2022-11-21 09:16:03,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068761684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:16:03,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:16:03,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:16:03,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137058477] [2022-11-21 09:16:03,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:16:03,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:16:03,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:16:03,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:16:03,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:16:03,924 INFO L87 Difference]: Start difference. First operand 11827 states and 12680 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 09:16:05,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:16:05,010 INFO L93 Difference]: Finished difference Result 24572 states and 26343 transitions. [2022-11-21 09:16:05,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:16:05,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 464 [2022-11-21 09:16:05,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:16:05,024 INFO L225 Difference]: With dead ends: 24572 [2022-11-21 09:16:05,024 INFO L226 Difference]: Without dead ends: 11642 [2022-11-21 09:16:05,030 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 09:16:05,031 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 109 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 09:16:05,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 294 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 09:16:05,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11642 states. [2022-11-21 09:16:05,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11642 to 10721. [2022-11-21 09:16:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10721 states, 10720 states have (on average 1.0607276119402984) internal successors, (11371), 10720 states have internal predecessors, (11371), 0 states have call successors, (0), 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 09:16:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10721 states to 10721 states and 11371 transitions. [2022-11-21 09:16:05,213 INFO L78 Accepts]: Start accepts. Automaton has 10721 states and 11371 transitions. Word has length 464 [2022-11-21 09:16:05,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:16:05,214 INFO L495 AbstractCegarLoop]: Abstraction has 10721 states and 11371 transitions. [2022-11-21 09:16:05,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 09:16:05,214 INFO L276 IsEmpty]: Start isEmpty. Operand 10721 states and 11371 transitions. [2022-11-21 09:16:05,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2022-11-21 09:16:05,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:16:05,227 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:16:05,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 09:16:05,227 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:16:05,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:05,228 INFO L85 PathProgramCache]: Analyzing trace with hash -13761946, now seen corresponding path program 1 times [2022-11-21 09:16:05,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:05,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141544423] [2022-11-21 09:16:05,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:05,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 535 proven. 162 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-21 09:16:06,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:16:06,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141544423] [2022-11-21 09:16:06,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141544423] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:16:06,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771978125] [2022-11-21 09:16:06,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:06,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:16:06,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 09:16:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:07,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 09:16:07,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:16:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 652 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-21 09:16:07,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 09:16:07,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771978125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:16:07,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 09:16:07,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-11-21 09:16:07,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496066990] [2022-11-21 09:16:07,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:16:07,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:16:07,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:16:07,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:16:07,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-21 09:16:07,323 INFO L87 Difference]: Start difference. First operand 10721 states and 11371 transitions. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 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 09:16:08,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:16:08,249 INFO L93 Difference]: Finished difference Result 21444 states and 22754 transitions. [2022-11-21 09:16:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:16:08,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 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 502 [2022-11-21 09:16:08,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:16:08,261 INFO L225 Difference]: With dead ends: 21444 [2022-11-21 09:16:08,261 INFO L226 Difference]: Without dead ends: 10909 [2022-11-21 09:16:08,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-21 09:16:08,269 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 72 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 09:16:08,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 325 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 09:16:08,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10909 states. [2022-11-21 09:16:08,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10909 to 10905. [2022-11-21 09:16:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10905 states, 10904 states have (on average 1.0494314013206163) internal successors, (11443), 10904 states have internal predecessors, (11443), 0 states have call successors, (0), 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 09:16:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10905 states to 10905 states and 11443 transitions. [2022-11-21 09:16:08,446 INFO L78 Accepts]: Start accepts. Automaton has 10905 states and 11443 transitions. Word has length 502 [2022-11-21 09:16:08,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:16:08,447 INFO L495 AbstractCegarLoop]: Abstraction has 10905 states and 11443 transitions. [2022-11-21 09:16:08,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 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 09:16:08,447 INFO L276 IsEmpty]: Start isEmpty. Operand 10905 states and 11443 transitions. [2022-11-21 09:16:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-11-21 09:16:08,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:16:08,462 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:16:08,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:08,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-21 09:16:08,668 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:16:08,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:08,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1083232953, now seen corresponding path program 1 times [2022-11-21 09:16:08,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:08,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710462884] [2022-11-21 09:16:08,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:08,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 609 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-21 09:16:09,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:16:09,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710462884] [2022-11-21 09:16:09,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710462884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:16:09,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:16:09,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:16:09,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399118880] [2022-11-21 09:16:09,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:16:09,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:16:09,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:16:09,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:16:09,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:16:09,117 INFO L87 Difference]: Start difference. First operand 10905 states and 11443 transitions. Second operand has 4 states, 4 states have (on average 91.5) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 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 09:16:10,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:16:10,330 INFO L93 Difference]: Finished difference Result 27896 states and 29285 transitions. [2022-11-21 09:16:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:16:10,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 91.5) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 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 506 [2022-11-21 09:16:10,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:16:10,343 INFO L225 Difference]: With dead ends: 27896 [2022-11-21 09:16:10,343 INFO L226 Difference]: Without dead ends: 17177 [2022-11-21 09:16:10,349 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 09:16:10,350 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 182 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-21 09:16:10,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 68 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-21 09:16:10,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17177 states. [2022-11-21 09:16:10,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17177 to 15145. [2022-11-21 09:16:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15145 states, 15144 states have (on average 1.048798203909139) internal successors, (15883), 15144 states have internal predecessors, (15883), 0 states have call successors, (0), 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 09:16:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15145 states to 15145 states and 15883 transitions. [2022-11-21 09:16:10,576 INFO L78 Accepts]: Start accepts. Automaton has 15145 states and 15883 transitions. Word has length 506 [2022-11-21 09:16:10,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:16:10,577 INFO L495 AbstractCegarLoop]: Abstraction has 15145 states and 15883 transitions. [2022-11-21 09:16:10,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.5) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 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 09:16:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 15145 states and 15883 transitions. [2022-11-21 09:16:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-11-21 09:16:10,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:16:10,591 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 09:16:10,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 09:16:10,591 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:16:10,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:10,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1344910854, now seen corresponding path program 1 times [2022-11-21 09:16:10,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:10,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835656161] [2022-11-21 09:16:10,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:10,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2022-11-21 09:16:11,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:16:11,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835656161] [2022-11-21 09:16:11,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835656161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:16:11,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:16:11,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:16:11,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115383406] [2022-11-21 09:16:11,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:16:11,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:16:11,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:16:11,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:16:11,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:16:11,379 INFO L87 Difference]: Start difference. First operand 15145 states and 15883 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:12,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:16:12,171 INFO L93 Difference]: Finished difference Result 15332 states and 16081 transitions. [2022-11-21 09:16:12,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:16:12,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 509 [2022-11-21 09:16:12,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:16:12,173 INFO L225 Difference]: With dead ends: 15332 [2022-11-21 09:16:12,173 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 09:16:12,177 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 09:16:12,178 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 143 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 09:16:12,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 324 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 09:16:12,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 09:16:12,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 09:16:12,180 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 09:16:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 09:16:12,180 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 509 [2022-11-21 09:16:12,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:16:12,181 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 09:16:12,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 09:16:12,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 09:16:12,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 09:16:12,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 09:16:12,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 09:16:18,319 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 701 DAG size of output: 698 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 09:16:23,452 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 701 DAG size of output: 698 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 09:16:29,478 WARN L233 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 698 DAG size of output: 113 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-21 09:16:35,660 WARN L233 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 698 DAG size of output: 113 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-21 09:16:35,666 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-11-21 09:16:35,666 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,666 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-11-21 09:16:35,666 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,666 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,667 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,667 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,667 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,667 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,667 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-11-21 09:16:35,667 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-11-21 09:16:35,667 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-21 09:16:35,667 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,668 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,668 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,668 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,668 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,668 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,668 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,668 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,669 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,669 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,669 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-11-21 09:16:35,669 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-11-21 09:16:35,669 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-21 09:16:35,669 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,669 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-11-21 09:16:35,670 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-11-21 09:16:35,670 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,670 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,670 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,670 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,670 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,671 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,671 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-21 09:16:35,671 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-11-21 09:16:35,671 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-21 09:16:35,671 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,671 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,671 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,672 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse22 (+ ~a23~0 43))) (let ((.cse8 (<= .cse22 0)) (.cse16 (= ~a25~0 11)) (.cse6 (= ~a25~0 12)) (.cse4 (or (not (< 306 ~a23~0)) (not (< 277 ~a29~0)))) (.cse2 (< 0 .cse22)) (.cse3 (= ~a4~0 1))) (let ((.cse11 (< 140 ~a29~0)) (.cse17 (<= ~a23~0 138)) (.cse5 (<= 99915 ~a29~0)) (.cse13 (<= 261 ~a29~0)) (.cse15 (<= ~a29~0 599998)) (.cse9 (= ~a4~0 0)) (.cse18 (<= ~a29~0 274)) (.cse19 (or (and .cse16 .cse4 .cse2 .cse3) (and .cse6 .cse4 .cse2 .cse3))) (.cse1 (<= ~a23~0 278)) (.cse10 (<= (+ ~a29~0 22) 0)) (.cse21 (<= ~a29~0 232)) (.cse14 (<= ~a25~0 10)) (.cse0 (= ~a25~0 13)) (.cse12 (<= ~a29~0 245)) (.cse20 (or (not .cse8) (not (<= ~a29~0 140)))) (.cse7 (<= 130 ~a29~0))) (or (and .cse0 .cse1 (<= 99912 ~a29~0) .cse2 .cse3) (and .cse4 .cse2 .cse3 .cse5) (and .cse6 .cse4 .cse2 .cse3 .cse7) (and .cse8 .cse6 .cse9 .cse10) (and .cse8 .cse11 .cse12 .cse3 .cse7) (and .cse8 .cse13 .cse9 .cse14 .cse15) (and .cse0 .cse15 .cse3 (not (<= ~a23~0 306))) (and .cse9 .cse16 .cse15 .cse17) (and .cse0 .cse8 .cse11 .cse9 .cse18) (and .cse9 .cse10 .cse14) (and .cse16 .cse3 .cse7) (and .cse6 .cse9 (<= (+ ~a29~0 554036) 0)) (and .cse19 .cse10) (and .cse9 .cse2 .cse15 .cse17) (and .cse4 (or (and .cse9 .cse14 .cse5) (and .cse6 .cse13 .cse9)) .cse15) (and .cse6 .cse9 .cse18 .cse20 .cse7) (and .cse19 (<= ~a23~0 312)) (and .cse1 .cse10 .cse2 .cse3 .cse21) (and .cse6 .cse10 .cse3) (and .cse0 .cse2 .cse3 .cse21) (and .cse14 .cse3) (and .cse0 .cse12 .cse20 .cse3 .cse7))))) [2022-11-21 09:16:35,672 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,672 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-11-21 09:16:35,672 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-11-21 09:16:35,673 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,673 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,673 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,673 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,673 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,673 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,674 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-11-21 09:16:35,674 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-11-21 09:16:35,674 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-21 09:16:35,674 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-11-21 09:16:35,674 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,674 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,674 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,675 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,675 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,675 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,675 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,675 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-11-21 09:16:35,675 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-11-21 09:16:35,675 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-11-21 09:16:35,676 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,676 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,676 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,676 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,676 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,676 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,676 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,677 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,677 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,677 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-11-21 09:16:35,677 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-11-21 09:16:35,677 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-11-21 09:16:35,677 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,678 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse22 (+ ~a23~0 43))) (let ((.cse8 (<= .cse22 0)) (.cse16 (= ~a25~0 11)) (.cse6 (= ~a25~0 12)) (.cse4 (or (not (< 306 ~a23~0)) (not (< 277 ~a29~0)))) (.cse2 (< 0 .cse22)) (.cse3 (= ~a4~0 1))) (let ((.cse11 (< 140 ~a29~0)) (.cse17 (<= ~a23~0 138)) (.cse5 (<= 99915 ~a29~0)) (.cse13 (<= 261 ~a29~0)) (.cse15 (<= ~a29~0 599998)) (.cse9 (= ~a4~0 0)) (.cse18 (<= ~a29~0 274)) (.cse19 (or (and .cse16 .cse4 .cse2 .cse3) (and .cse6 .cse4 .cse2 .cse3))) (.cse1 (<= ~a23~0 278)) (.cse10 (<= (+ ~a29~0 22) 0)) (.cse21 (<= ~a29~0 232)) (.cse14 (<= ~a25~0 10)) (.cse0 (= ~a25~0 13)) (.cse12 (<= ~a29~0 245)) (.cse20 (or (not .cse8) (not (<= ~a29~0 140)))) (.cse7 (<= 130 ~a29~0))) (or (and .cse0 .cse1 (<= 99912 ~a29~0) .cse2 .cse3) (and .cse4 .cse2 .cse3 .cse5) (and .cse6 .cse4 .cse2 .cse3 .cse7) (and .cse8 .cse6 .cse9 .cse10) (and .cse8 .cse11 .cse12 .cse3 .cse7) (and .cse8 .cse13 .cse9 .cse14 .cse15) (and .cse0 .cse15 .cse3 (not (<= ~a23~0 306))) (and .cse9 .cse16 .cse15 .cse17) (and .cse0 .cse8 .cse11 .cse9 .cse18) (and .cse9 .cse10 .cse14) (and .cse16 .cse3 .cse7) (and .cse6 .cse9 (<= (+ ~a29~0 554036) 0)) (and .cse19 .cse10) (and .cse9 .cse2 .cse15 .cse17) (and .cse4 (or (and .cse9 .cse14 .cse5) (and .cse6 .cse13 .cse9)) .cse15) (and .cse6 .cse9 .cse18 .cse20 .cse7) (and .cse19 (<= ~a23~0 312)) (and .cse1 .cse10 .cse2 .cse3 .cse21) (and .cse6 .cse10 .cse3) (and .cse0 .cse2 .cse3 .cse21) (and .cse14 .cse3) (and .cse0 .cse12 .cse20 .cse3 .cse7))))) [2022-11-21 09:16:35,678 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,678 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,678 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,678 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,678 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,678 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,678 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,678 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,678 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-11-21 09:16:35,678 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-11-21 09:16:35,679 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-21 09:16:35,679 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-11-21 09:16:35,679 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-11-21 09:16:35,679 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-11-21 09:16:35,679 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-11-21 09:16:35,679 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,679 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,679 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,679 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,680 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,680 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,680 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,680 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,680 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,680 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,680 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 09:16:35,681 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-11-21 09:16:35,681 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-11-21 09:16:35,681 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-21 09:16:35,681 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-11-21 09:16:35,681 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,681 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,681 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,682 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,682 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,682 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-21 09:16:35,682 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-11-21 09:16:35,682 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-21 09:16:35,682 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,682 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,683 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,683 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,683 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-11-21 09:16:35,683 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-11-21 09:16:35,683 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,683 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,683 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,684 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,684 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,684 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,684 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-11-21 09:16:35,684 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-11-21 09:16:35,684 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,684 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,685 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-21 09:16:35,685 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-11-21 09:16:35,685 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-11-21 09:16:35,685 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 09:16:35,685 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2022-11-21 09:16:35,685 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,685 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,686 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,686 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,686 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,686 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,686 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,686 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-11-21 09:16:35,686 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-11-21 09:16:35,687 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-11-21 09:16:35,687 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-11-21 09:16:35,687 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-11-21 09:16:35,687 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-11-21 09:16:35,687 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-11-21 09:16:35,687 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,687 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,688 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-11-21 09:16:35,688 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-11-21 09:16:35,688 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,688 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,688 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,688 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,688 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,689 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-11-21 09:16:35,689 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-11-21 09:16:35,689 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-11-21 09:16:35,689 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,689 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,689 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,689 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,690 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,690 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,690 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-11-21 09:16:35,690 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-11-21 09:16:35,690 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-21 09:16:35,690 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,690 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,691 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,691 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,691 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,691 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,691 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,691 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,691 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-11-21 09:16:35,692 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-11-21 09:16:35,692 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-11-21 09:16:35,692 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,692 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,692 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,692 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,692 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,693 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,693 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,693 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,693 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,693 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,693 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,693 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-11-21 09:16:35,693 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-11-21 09:16:35,694 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-21 09:16:35,694 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-21 09:16:35,694 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-11-21 09:16:35,694 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,694 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,694 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,694 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,695 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,695 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,695 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,695 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-11-21 09:16:35,695 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-11-21 09:16:35,695 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-11-21 09:16:35,695 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,696 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,696 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,696 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-11-21 09:16:35,696 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-11-21 09:16:35,696 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,696 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,696 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,697 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,697 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,697 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-11-21 09:16:35,697 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-11-21 09:16:35,697 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,697 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,697 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-11-21 09:16:35,698 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-11-21 09:16:35,698 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,698 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 09:16:35,698 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,698 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,698 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,698 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,699 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,699 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-11-21 09:16:35,699 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-11-21 09:16:35,699 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-11-21 09:16:35,699 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-11-21 09:16:35,699 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,699 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,700 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,700 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,700 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,700 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,700 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,700 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,700 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-11-21 09:16:35,701 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-11-21 09:16:35,701 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-11-21 09:16:35,701 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-11-21 09:16:35,701 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-11-21 09:16:35,701 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-11-21 09:16:35,701 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,701 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,701 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,702 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,702 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,702 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,702 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,702 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-21 09:16:35,702 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-11-21 09:16:35,703 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 09:16:35,703 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,703 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,703 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,703 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,703 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,703 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,704 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-11-21 09:16:35,704 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-11-21 09:16:35,704 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,704 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,704 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,704 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,704 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,705 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,705 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,705 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-11-21 09:16:35,705 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-11-21 09:16:35,705 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,705 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,705 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-21 09:16:35,706 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-11-21 09:16:35,706 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-21 09:16:35,706 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-11-21 09:16:35,709 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] [2022-11-21 09:16:35,711 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:16:35,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:16:35 BoogieIcfgContainer [2022-11-21 09:16:35,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:16:35,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:16:35,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:16:35,765 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:16:35,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:15:14" (3/4) ... [2022-11-21 09:16:35,769 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:16:35,795 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 09:16:35,807 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 09:16:35,808 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 09:16:35,810 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:16:35,953 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:16:35,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:16:35,955 INFO L158 Benchmark]: Toolchain (without parser) took 85440.48ms. Allocated memory was 165.7MB in the beginning and 1.0GB in the end (delta: 841.0MB). Free memory was 131.6MB in the beginning and 941.3MB in the end (delta: -809.6MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-21 09:16:35,955 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 165.7MB. Free memory was 136.4MB in the beginning and 136.3MB in the end (delta: 88.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:16:35,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 958.10ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 86.8MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-21 09:16:35,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.81ms. Allocated memory is still 165.7MB. Free memory was 86.8MB in the beginning and 69.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 09:16:35,956 INFO L158 Benchmark]: Boogie Preprocessor took 155.10ms. Allocated memory is still 165.7MB. Free memory was 69.2MB in the beginning and 59.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 09:16:35,956 INFO L158 Benchmark]: RCFGBuilder took 2468.75ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 59.8MB in the beginning and 103.5MB in the end (delta: -43.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-21 09:16:35,957 INFO L158 Benchmark]: TraceAbstraction took 81487.33ms. Allocated memory was 218.1MB in the beginning and 1.0GB in the end (delta: 788.5MB). Free memory was 103.5MB in the beginning and 956.5MB in the end (delta: -853.0MB). Peak memory consumption was 564.6MB. Max. memory is 16.1GB. [2022-11-21 09:16:35,957 INFO L158 Benchmark]: Witness Printer took 189.48ms. Allocated memory is still 1.0GB. Free memory was 956.5MB in the beginning and 941.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 09:16:35,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 165.7MB. Free memory was 136.4MB in the beginning and 136.3MB in the end (delta: 88.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 958.10ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 86.8MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 165.81ms. Allocated memory is still 165.7MB. Free memory was 86.8MB in the beginning and 69.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.10ms. Allocated memory is still 165.7MB. Free memory was 69.2MB in the beginning and 59.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2468.75ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 59.8MB in the beginning and 103.5MB in the end (delta: -43.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 81487.33ms. Allocated memory was 218.1MB in the beginning and 1.0GB in the end (delta: 788.5MB). Free memory was 103.5MB in the beginning and 956.5MB in the end (delta: -853.0MB). Peak memory consumption was 564.6MB. Max. memory is 16.1GB. * Witness Printer took 189.48ms. Allocated memory is still 1.0GB. Free memory was 956.5MB in the beginning and 941.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. 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: 157]: 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: 81.3s, OverallIterations: 23, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 33.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4960 SdHoareTripleChecker+Valid, 29.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4960 mSDsluCounter, 5014 SdHoareTripleChecker+Invalid, 24.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 764 mSDsCounter, 2911 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20484 IncrementalHoareTripleChecker+Invalid, 23395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2911 mSolverCounterUnsat, 4250 mSDtfsCounter, 20484 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1880 GetRequests, 1804 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15145occurred in iteration=22, InterpolantAutomatonStates: 110, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 20040 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 227 NumberOfFragments, 887 HoareAnnotationTreeSize, 3 FomulaSimplifications, 10716 FormulaSimplificationTreeSizeReduction, 11.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 90868 FormulaSimplificationTreeSizeReductionInter, 12.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 9050 NumberOfCodeBlocks, 9050 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 9450 ConstructedInterpolants, 0 QuantifiedInterpolants, 35832 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1849 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 27 InterpolantComputations, 22 PerfectInterpolantSequences, 10318/10808 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a25 == 13 && a23 <= 278) && 99912 <= a29) && 0 < a23 + 43) && a4 == 1) || ((((!(306 < a23) || !(277 < a29)) && 0 < a23 + 43) && a4 == 1) && 99915 <= a29)) || ((((a25 == 12 && (!(306 < a23) || !(277 < a29))) && 0 < a23 + 43) && a4 == 1) && 130 <= a29)) || (((a23 + 43 <= 0 && a25 == 12) && a4 == 0) && a29 + 22 <= 0)) || ((((a23 + 43 <= 0 && 140 < a29) && a29 <= 245) && a4 == 1) && 130 <= a29)) || ((((a23 + 43 <= 0 && 261 <= a29) && a4 == 0) && a25 <= 10) && a29 <= 599998)) || (((a25 == 13 && a29 <= 599998) && a4 == 1) && !(a23 <= 306))) || (((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 138)) || ((((a25 == 13 && a23 + 43 <= 0) && 140 < a29) && a4 == 0) && a29 <= 274)) || ((a4 == 0 && a29 + 22 <= 0) && a25 <= 10)) || ((a25 == 11 && a4 == 1) && 130 <= a29)) || ((a25 == 12 && a4 == 0) && a29 + 554036 <= 0)) || (((((a25 == 11 && (!(306 < a23) || !(277 < a29))) && 0 < a23 + 43) && a4 == 1) || (((a25 == 12 && (!(306 < a23) || !(277 < a29))) && 0 < a23 + 43) && a4 == 1)) && a29 + 22 <= 0)) || (((a4 == 0 && 0 < a23 + 43) && a29 <= 599998) && a23 <= 138)) || (((!(306 < a23) || !(277 < a29)) && (((a4 == 0 && a25 <= 10) && 99915 <= a29) || ((a25 == 12 && 261 <= a29) && a4 == 0))) && a29 <= 599998)) || ((((a25 == 12 && a4 == 0) && a29 <= 274) && (!(a23 + 43 <= 0) || !(a29 <= 140))) && 130 <= a29)) || (((((a25 == 11 && (!(306 < a23) || !(277 < a29))) && 0 < a23 + 43) && a4 == 1) || (((a25 == 12 && (!(306 < a23) || !(277 < a29))) && 0 < a23 + 43) && a4 == 1)) && a23 <= 312)) || ((((a23 <= 278 && a29 + 22 <= 0) && 0 < a23 + 43) && a4 == 1) && a29 <= 232)) || ((a25 == 12 && a29 + 22 <= 0) && a4 == 1)) || (((a25 == 13 && 0 < a23 + 43) && a4 == 1) && a29 <= 232)) || (a25 <= 10 && a4 == 1)) || ((((a25 == 13 && a29 <= 245) && (!(a23 + 43 <= 0) || !(a29 <= 140))) && a4 == 1) && 130 <= a29) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a25 == 13 && a23 <= 278) && 99912 <= a29) && 0 < a23 + 43) && a4 == 1) || ((((!(306 < a23) || !(277 < a29)) && 0 < a23 + 43) && a4 == 1) && 99915 <= a29)) || ((((a25 == 12 && (!(306 < a23) || !(277 < a29))) && 0 < a23 + 43) && a4 == 1) && 130 <= a29)) || (((a23 + 43 <= 0 && a25 == 12) && a4 == 0) && a29 + 22 <= 0)) || ((((a23 + 43 <= 0 && 140 < a29) && a29 <= 245) && a4 == 1) && 130 <= a29)) || ((((a23 + 43 <= 0 && 261 <= a29) && a4 == 0) && a25 <= 10) && a29 <= 599998)) || (((a25 == 13 && a29 <= 599998) && a4 == 1) && !(a23 <= 306))) || (((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 138)) || ((((a25 == 13 && a23 + 43 <= 0) && 140 < a29) && a4 == 0) && a29 <= 274)) || ((a4 == 0 && a29 + 22 <= 0) && a25 <= 10)) || ((a25 == 11 && a4 == 1) && 130 <= a29)) || ((a25 == 12 && a4 == 0) && a29 + 554036 <= 0)) || (((((a25 == 11 && (!(306 < a23) || !(277 < a29))) && 0 < a23 + 43) && a4 == 1) || (((a25 == 12 && (!(306 < a23) || !(277 < a29))) && 0 < a23 + 43) && a4 == 1)) && a29 + 22 <= 0)) || (((a4 == 0 && 0 < a23 + 43) && a29 <= 599998) && a23 <= 138)) || (((!(306 < a23) || !(277 < a29)) && (((a4 == 0 && a25 <= 10) && 99915 <= a29) || ((a25 == 12 && 261 <= a29) && a4 == 0))) && a29 <= 599998)) || ((((a25 == 12 && a4 == 0) && a29 <= 274) && (!(a23 + 43 <= 0) || !(a29 <= 140))) && 130 <= a29)) || (((((a25 == 11 && (!(306 < a23) || !(277 < a29))) && 0 < a23 + 43) && a4 == 1) || (((a25 == 12 && (!(306 < a23) || !(277 < a29))) && 0 < a23 + 43) && a4 == 1)) && a23 <= 312)) || ((((a23 <= 278 && a29 + 22 <= 0) && 0 < a23 + 43) && a4 == 1) && a29 <= 232)) || ((a25 == 12 && a29 + 22 <= 0) && a4 == 1)) || (((a25 == 13 && 0 < a23 + 43) && a4 == 1) && a29 <= 232)) || (a25 <= 10 && a4 == 1)) || ((((a25 == 13 && a29 <= 245) && (!(a23 + 43 <= 0) || !(a29 <= 140))) && a4 == 1) && 130 <= a29) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-21 09:16:36,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26cc5a6c-9cfc-4153-8f50-fc87cd290301/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